<s>
Google	B-Application
Search	I-Application
(	O
also	O
known	O
simply	O
as	O
Google	B-Application
or	O
Google.com	B-Application
)	O
is	O
a	O
search	B-Application
engine	I-Application
provided	O
and	O
operated	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
Handling	O
more	O
than	O
3.5	O
billion	O
searches	O
per	O
day	O
,	O
it	O
has	O
a	O
92%	O
share	O
of	O
the	O
global	O
search	B-Application
engine	I-Application
market	O
.	O
</s>
<s>
Additionally	O
,	O
it	O
is	O
the	O
most	O
searched	O
and	O
used	O
search	B-Application
engine	I-Application
in	O
the	O
entire	O
world	O
.	O
</s>
<s>
The	O
order	O
of	O
search	B-Application
results	I-Application
returned	O
by	O
Google	B-Application
is	O
based	O
,	O
in	O
part	O
,	O
on	O
a	O
priority	O
rank	O
system	O
called	O
"	O
PageRank	B-Algorithm
"	O
.	O
</s>
<s>
Google	B-Application
Search	I-Application
also	O
provides	O
many	O
different	O
options	O
for	O
customized	O
searches	O
,	O
using	O
symbols	O
to	O
include	O
,	O
exclude	O
,	O
specify	O
or	O
require	O
certain	O
search	O
behavior	O
,	O
and	O
offers	O
specialized	O
interactive	O
experiences	O
,	O
such	O
as	O
flight	O
status	O
and	O
package	O
tracking	O
,	O
weather	O
forecasts	O
,	O
currency	O
,	O
unit	O
,	O
and	O
time	O
conversions	O
,	O
word	O
definitions	O
,	O
and	O
more	O
.	O
</s>
<s>
The	O
main	O
purpose	O
of	O
Google	B-Application
Search	I-Application
is	O
to	O
search	O
for	O
text	O
in	O
publicly	O
accessible	O
documents	O
offered	O
by	O
web	B-Protocol
servers	O
,	O
as	O
opposed	O
to	O
other	O
data	O
,	O
such	O
as	O
images	B-General_Concept
or	O
data	O
contained	O
in	O
databases	O
.	O
</s>
<s>
In	O
2011	O
,	O
Google	B-Application
introduced	O
"	O
Google	B-Application
Voice	I-Application
Search	I-Application
"	O
to	O
search	O
for	O
spoken	O
,	O
rather	O
than	O
typed	O
,	O
words	O
.	O
</s>
<s>
In	O
2012	O
,	O
Google	B-Application
introduced	O
a	O
Knowledge	B-Application
Graph	I-Application
semantic	O
search	B-Application
feature	I-Application
.	O
</s>
<s>
Data	O
about	O
the	O
frequency	O
of	O
use	O
of	O
search	O
terms	O
on	O
Google	B-Application
can	O
be	O
openly	O
inquired	O
via	O
Google	B-Application
Trends	I-Application
and	O
have	O
been	O
shown	O
to	O
correlate	O
with	O
flu	O
outbreaks	O
and	O
unemployment	O
levels	O
,	O
and	O
provide	O
the	O
information	O
faster	O
than	O
traditional	O
reporting	O
methods	O
and	O
surveys	O
.	O
</s>
<s>
As	O
of	O
mid-2016	O
,	O
Google	B-Application
's	I-Application
search	B-Application
engine	I-Application
has	O
begun	O
to	O
rely	O
on	O
deep	O
neural	O
networks	O
.	O
</s>
<s>
Google	B-Application
indexes	B-Application
hundreds	O
of	O
terabytes	O
of	O
information	O
from	O
web	B-Protocol
pages	O
.	O
</s>
<s>
For	O
websites	O
that	O
are	O
currently	O
down	O
or	O
otherwise	O
not	O
available	O
,	O
Google	B-Application
provides	O
links	O
to	O
cached	B-General_Concept
versions	O
of	O
the	O
site	O
,	O
formed	O
by	O
the	O
search	B-Application
engine	I-Application
's	O
latest	O
indexing	B-Application
of	O
that	O
page	O
.	O
</s>
<s>
Additionally	O
,	O
Google	B-Application
indexes	B-Application
some	O
file	O
types	O
,	O
being	O
able	O
to	O
show	O
users	O
PDFs	B-Application
,	O
Word	O
documents	O
,	O
Excel	O
spreadsheets	O
,	O
PowerPoint	B-Application
presentations	I-Application
,	O
certain	O
Flash	B-Operating_System
multimedia	I-Operating_System
content	I-Operating_System
,	O
and	O
plain	O
text	O
files	O
.	O
</s>
<s>
Users	O
can	O
also	O
activate	O
"	O
SafeSearch	B-Application
"	O
,	O
a	O
filtering	O
technology	O
aimed	O
at	O
preventing	O
explicit	O
and	O
pornographic	O
content	O
from	O
appearing	O
in	O
search	B-Application
results	I-Application
.	O
</s>
<s>
Despite	O
Google	B-Application
search	I-Application
's	O
immense	O
index	O
,	O
sources	O
generally	O
assume	O
that	O
Google	B-Application
is	O
only	O
indexing	B-Application
less	O
than	O
5%	O
of	O
the	O
total	O
Internet	O
,	O
with	O
the	O
rest	O
belonging	O
to	O
the	O
deep	O
web	B-Protocol
,	O
inaccessible	O
through	O
its	O
search	O
tools	O
.	O
</s>
<s>
In	O
2012	O
,	O
Google	B-Application
changed	O
its	O
search	B-Application
indexing	I-Application
tools	O
to	O
demote	O
sites	O
that	O
had	O
been	O
accused	O
of	O
piracy	O
.	O
</s>
<s>
In	O
October	O
2016	O
,	O
Gary	O
Illyes	O
,	O
a	O
webmaster	O
trends	O
analyst	O
with	O
Google	B-Application
,	O
announced	O
that	O
the	O
search	B-Application
engine	I-Application
would	O
be	O
making	O
a	O
separate	O
,	O
primary	O
web	B-Protocol
index	O
dedicated	O
for	O
mobile	O
devices	O
,	O
with	O
a	O
secondary	O
,	O
less	O
up-to-date	O
index	O
for	O
desktop	O
use	O
.	O
</s>
<s>
The	O
change	O
was	O
a	O
response	O
to	O
the	O
continued	O
growth	O
in	O
mobile	O
usage	O
,	O
and	O
a	O
push	O
for	O
web	B-Protocol
developers	O
to	O
adopt	O
a	O
mobile-friendly	O
version	O
of	O
their	O
websites	O
.	O
</s>
<s>
In	O
December	O
2017	O
,	O
Google	B-Application
began	O
rolling	O
out	O
the	O
change	O
,	O
having	O
already	O
done	O
so	O
for	O
multiple	O
websites	O
.	O
</s>
<s>
In	O
August	O
2009	O
,	O
Google	B-Application
invited	O
web	B-Protocol
developers	O
to	O
test	O
a	O
new	O
search	O
architecture	O
,	O
codenamed	O
"	O
Caffeine	O
"	O
,	O
and	O
give	O
their	O
feedback	O
.	O
</s>
<s>
The	O
new	O
architecture	O
provided	O
no	O
visual	O
differences	O
in	O
the	O
user	O
interface	B-Application
,	O
but	O
added	O
significant	O
speed	O
improvements	O
and	O
a	O
new	O
"	O
under-the-hood	O
"	O
indexing	B-Application
infrastructure	O
.	O
</s>
<s>
The	O
move	O
was	O
interpreted	O
in	O
some	O
quarters	O
as	O
a	O
response	O
to	O
Microsoft	O
's	O
recent	O
release	O
of	O
an	O
upgraded	O
version	O
of	O
its	O
own	O
search	B-Application
service	I-Application
,	O
renamed	O
Bing	B-Application
,	O
as	O
well	O
as	O
the	O
launch	O
of	O
Wolfram	B-Application
Alpha	I-Application
,	O
a	O
new	O
search	B-Application
engine	I-Application
based	O
on	O
"	O
computational	O
knowledge	O
"	O
.	O
</s>
<s>
Google	B-Application
announced	O
completion	O
of	O
"	O
Caffeine	O
"	O
on	O
June	O
8	O
,	O
2010	O
,	O
claiming	O
50%	O
fresher	O
results	O
due	O
to	O
continuous	O
updating	O
of	O
its	O
index	O
.	O
</s>
<s>
With	O
"	O
Caffeine	O
"	O
,	O
Google	B-Application
moved	O
its	O
back-end	O
indexing	B-Application
system	O
away	O
from	O
MapReduce	B-Operating_System
and	O
onto	O
Bigtable	B-Application
,	O
the	O
company	O
's	O
distributed	O
database	O
platform	O
.	O
</s>
<s>
In	O
August	O
2018	O
,	O
Danny	O
Sullivan	O
from	O
Google	B-Application
announced	O
a	O
broad	O
core	O
algorithm	O
update	O
.	O
</s>
<s>
As	O
per	O
current	O
analysis	O
done	O
by	O
the	O
industry	O
leaders	O
Search	B-Application
Engine	I-Application
Watch	O
and	O
Search	B-Application
Engine	I-Application
Land	O
,	O
the	O
update	O
was	O
to	O
drop	O
down	O
the	O
medical	O
and	O
health-related	O
websites	O
that	O
were	O
not	O
user	O
friendly	O
and	O
were	O
not	O
providing	O
good	O
user	O
experience	O
.	O
</s>
<s>
Google	B-Application
reserves	O
very	O
high	O
standards	O
for	O
YMYL	O
(	O
Your	O
Money	O
or	O
Your	O
Life	O
)	O
pages	O
.	O
</s>
<s>
Google	B-Application
Search	I-Application
consists	O
of	O
a	O
series	O
of	O
localized	O
websites	O
.	O
</s>
<s>
for	O
words	O
that	O
Google	B-Application
believes	O
to	O
be	O
misspelled	O
,	O
it	O
provides	O
a	O
link	O
to	O
the	O
search	B-Application
results	I-Application
using	O
its	O
proposed	O
spelling	O
)	O
,	O
the	O
ability	O
to	O
filter	O
results	O
to	O
a	O
date	O
range	O
,	O
and	O
many	O
more	O
.	O
</s>
<s>
Google	B-Application
search	I-Application
accepts	O
queries	O
as	O
normal	O
text	O
,	O
as	O
well	O
as	O
individual	O
keywords	O
.	O
</s>
<s>
It	O
automatically	B-Protocol
corrects	I-Protocol
apparent	O
misspellings	O
by	O
default	O
(	O
while	O
offering	O
to	O
use	O
the	O
original	O
spelling	O
as	O
a	O
selectable	O
alternative	O
)	O
,	O
and	O
provides	O
the	O
same	O
results	O
regardless	O
of	O
capitalization	O
.	O
</s>
<s>
cache	B-General_Concept
:	O
–	O
Highlights	O
the	O
search-words	O
within	O
the	O
cached	B-General_Concept
pages	O
,	O
so	O
that	O
"	O
cache:www.google.com	O
xxx	O
"	O
shows	O
cached	B-General_Concept
content	O
with	O
word	O
"	O
xxx	O
"	O
highlighted	O
.	O
</s>
<s>
Google	B-Application
also	O
offers	O
a	O
Google	B-Application
Advanced	O
Search	O
page	O
with	O
a	O
web	B-Protocol
interface	B-Application
to	O
access	O
the	O
advanced	O
features	O
without	O
needing	O
to	O
remember	O
the	O
special	O
operators	O
.	O
</s>
<s>
Google	B-Application
applies	O
query	B-Algorithm
expansion	I-Algorithm
to	O
submitted	O
search	O
queries	O
,	O
using	O
techniques	O
to	O
deliver	O
results	O
that	O
it	O
considers	O
"	O
smarter	O
"	O
than	O
the	O
query	O
users	O
actually	O
submitted	O
.	O
</s>
<s>
In	O
2008	O
,	O
Google	B-Application
started	O
to	O
give	O
users	O
autocompleted	O
search	O
suggestions	O
in	O
a	O
list	O
below	O
the	O
search	O
bar	O
while	O
typing	O
,	O
originally	O
with	O
the	O
approximate	O
result	O
count	O
previewed	O
for	O
each	O
listed	O
search	O
suggestion	O
.	O
</s>
<s>
Google	B-Application
's	I-Application
homepage	O
includes	O
a	O
button	O
labeled	O
"	O
I	O
'm	O
Feeling	O
Lucky	O
"	O
.	O
</s>
<s>
This	O
feature	O
originally	O
allowed	O
users	O
to	O
type	O
in	O
their	O
search	O
query	O
,	O
click	O
the	O
button	O
and	O
be	O
taken	O
directly	O
to	O
the	O
first	O
result	O
,	O
bypassing	O
the	O
search	B-Application
results	I-Application
page	O
.	O
</s>
<s>
Clicking	O
it	O
while	O
leaving	O
the	O
search	O
box	O
empty	O
opens	O
Google	B-Application
's	I-Application
archive	O
of	O
Doodles	O
.	O
</s>
<s>
With	O
the	O
2010	O
announcement	O
of	O
Google	B-Application
Instant	O
,	O
an	O
automatic	O
feature	O
that	O
immediately	O
displays	O
relevant	O
results	O
as	O
users	O
are	O
typing	O
in	O
their	O
query	O
,	O
the	O
"	O
I	O
'm	O
Feeling	O
Lucky	O
"	O
button	O
disappears	O
,	O
requiring	O
that	O
users	O
opt-out	O
of	O
Instant	O
results	O
through	O
search	O
settings	O
to	O
keep	O
using	O
the	O
"	O
I	O
'm	O
Feeling	O
Lucky	O
"	O
functionality	O
.	O
</s>
<s>
In	O
2012	O
,	O
"	O
I	O
'm	O
Feeling	O
Lucky	O
"	O
was	O
changed	O
to	O
serve	O
as	O
an	O
advertisement	O
for	O
Google	B-Application
services	I-Application
;	O
users	O
hover	O
their	O
computer	O
mouse	O
over	O
the	O
button	O
,	O
it	O
spins	O
and	O
shows	O
an	O
emotion	O
(	O
"	O
I	O
'm	O
Feeling	O
Puzzled	O
"	O
or	O
"	O
I	O
'm	O
Feeling	O
Trendy	O
"	O
,	O
for	O
instance	O
)	O
,	O
and	O
,	O
when	O
clicked	O
,	O
takes	O
users	O
to	O
a	O
Google	B-Application
service	O
related	O
to	O
that	O
emotion	O
.	O
</s>
<s>
Tom	O
Chavez	O
of	O
"	O
Rapt	O
"	O
,	O
a	O
firm	O
helping	O
to	O
determine	O
a	O
website	O
's	O
advertising	O
worth	O
,	O
estimated	O
in	O
2007	O
that	O
Google	B-Application
lost	O
$110	O
million	O
in	O
revenue	O
per	O
year	O
due	O
to	O
use	O
of	O
the	O
button	O
,	O
which	O
bypasses	O
the	O
advertisements	O
found	O
on	O
the	O
search	B-Application
results	I-Application
page	O
.	O
</s>
<s>
Besides	O
the	O
main	O
text-based	O
search-engine	B-Application
function	O
of	O
Google	B-Application
search	I-Application
,	O
it	O
also	O
offers	O
multiple	O
quick	O
,	O
interactive	O
features	O
.	O
</s>
<s>
During	O
Google	B-Application
's	I-Application
developer	O
conference	O
,	O
Google	B-Application
I/O	I-Application
,	O
in	O
May	O
2013	O
,	O
the	O
company	O
announced	O
that	O
users	O
on	O
Google	B-Application
Chrome	I-Application
and	O
ChromeOS	B-Operating_System
would	O
be	O
able	O
to	O
have	O
the	O
browser	O
initiate	O
an	O
audio-based	O
search	O
by	O
saying	O
"	O
OK	B-Application
Google	I-Application
"	O
,	O
with	O
no	O
button	O
presses	O
required	O
.	O
</s>
<s>
After	O
having	O
the	O
answer	O
presented	O
,	O
users	O
can	O
follow	O
up	O
with	O
additional	O
,	O
contextual	O
questions	O
;	O
an	O
example	O
include	O
initially	O
asking	O
"	O
OK	B-Application
Google	I-Application
,	O
will	O
it	O
be	O
sunny	O
in	O
Santa	O
Cruz	O
this	O
weekend	O
?	O
</s>
<s>
An	O
update	O
to	O
the	O
Chrome	B-Application
browser	I-Application
with	O
voice-search	B-Application
functionality	O
rolled	O
out	O
a	O
week	O
later	O
,	O
though	O
it	O
required	O
a	O
button	O
press	O
on	O
a	O
microphone	O
icon	O
rather	O
than	O
"	O
OK	B-Application
Google	I-Application
"	O
voice	O
activation	O
.	O
</s>
<s>
Google	B-Application
released	O
a	O
browser	O
extension	O
for	O
the	O
Chrome	B-Application
browser	I-Application
,	O
named	O
with	O
a	O
"	O
beta	O
"	O
tag	B-Protocol
for	O
unfinished	O
development	O
,	O
shortly	O
thereafter	O
.	O
</s>
<s>
In	O
May	O
2014	O
,	O
the	O
company	O
officially	O
added	O
"	O
OK	B-Application
Google	I-Application
"	O
into	O
the	O
browser	O
itself	O
;	O
they	O
removed	O
it	O
in	O
October	O
2015	O
,	O
citing	O
low	O
usage	O
,	O
though	O
the	O
microphone	O
icon	O
for	O
activation	O
remained	O
available	O
.	O
</s>
<s>
Of	O
search	B-Application
results	I-Application
,	O
page	O
titles	O
and	O
URLs	O
,	O
dates	O
,	O
and	O
a	O
preview	O
text	O
snippet	O
for	O
each	O
result	O
appears	O
.	O
</s>
<s>
Along	O
with	O
web	B-Application
search	I-Application
results	O
,	O
sections	O
with	O
images	B-General_Concept
,	O
news	O
,	O
and	O
videos	O
may	O
appear	O
.	O
</s>
<s>
"	O
Universal	O
search	O
"	O
was	O
launched	O
by	O
Google	B-Application
on	O
May	O
16	O
,	O
2007	O
,	O
as	O
an	O
idea	O
that	O
merged	O
the	O
results	O
from	O
different	O
kinds	O
of	O
search	O
types	O
into	O
one	O
.	O
</s>
<s>
Prior	O
to	O
Universal	O
search	O
,	O
a	O
standard	O
Google	B-Application
search	I-Application
would	O
consist	O
of	O
links	O
only	O
to	O
websites	O
.	O
</s>
<s>
Universal	O
search	O
,	O
however	O
,	O
incorporates	O
a	O
wide	O
variety	O
of	O
sources	O
,	O
including	O
websites	O
,	O
news	O
,	O
pictures	O
,	O
maps	O
,	O
blogs	O
,	O
videos	O
,	O
and	O
more	O
,	O
all	O
shown	O
on	O
the	O
same	O
search	B-Application
results	I-Application
page	O
.	O
</s>
<s>
Marissa	O
Mayer	O
,	O
then-vice	O
president	O
of	O
search	O
products	O
and	O
user	O
experience	O
,	O
described	O
the	O
goal	O
of	O
Universal	O
search	O
as	O
"	O
we	O
're	O
attempting	O
to	O
break	O
down	O
the	O
walls	O
that	O
traditionally	O
separated	O
our	O
various	O
search	O
properties	O
and	O
integrate	O
the	O
vast	O
amounts	O
of	O
information	O
available	O
into	O
one	O
simple	O
set	O
of	O
search	B-Application
results	I-Application
.	O
</s>
<s>
In	O
June	O
2017	O
,	O
Google	B-Application
expanded	O
its	O
search	B-Application
results	I-Application
to	O
cover	O
available	O
job	O
listings	O
.	O
</s>
<s>
In	O
May	O
2009	O
,	O
Google	B-Application
announced	O
that	O
they	O
would	O
be	O
parsing	O
website	O
microformats	B-General_Concept
to	O
populate	O
search	O
result	O
pages	O
with	O
"	O
Rich	O
snippets	O
"	O
.	O
</s>
<s>
In	O
May	O
2016	O
,	O
Google	B-Application
expanded	O
on	O
the	O
"	O
Rich	O
snippets	O
"	O
format	O
to	O
offer	O
"	O
Rich	O
cards	O
"	O
,	O
which	O
,	O
similarly	O
to	O
snippets	O
,	O
display	O
more	O
information	O
about	O
results	O
,	O
but	O
shows	O
them	O
at	O
the	O
top	O
of	O
the	O
mobile	O
website	O
in	O
a	O
swipeable	O
carousel-like	O
format	O
.	O
</s>
<s>
The	O
Knowledge	B-Application
Graph	I-Application
is	O
a	O
knowledge	O
base	O
used	O
by	O
Google	B-Application
to	O
enhance	O
its	O
search	B-Application
engine	I-Application
's	O
results	O
with	O
information	O
gathered	O
from	O
a	O
variety	O
of	O
sources	O
.	O
</s>
<s>
This	O
information	O
is	O
presented	O
to	O
users	O
in	O
a	O
box	O
to	O
the	O
right	O
of	O
search	B-Application
results	I-Application
.	O
</s>
<s>
Knowledge	B-Application
Graph	I-Application
boxes	O
were	O
added	O
to	O
Google	B-Application
's	I-Application
search	B-Application
engine	I-Application
in	O
May	O
2012	O
,	O
starting	O
in	O
the	O
United	O
States	O
,	O
with	O
international	O
expansion	O
by	O
the	O
end	O
of	O
the	O
year	O
.	O
</s>
<s>
The	O
information	O
covered	O
by	O
the	O
Knowledge	B-Application
Graph	I-Application
grew	O
significantly	O
after	O
launch	O
,	O
tripling	O
its	O
original	O
size	O
within	O
seven	O
months	O
,	O
and	O
being	O
able	O
to	O
answer	O
"	O
roughly	O
one-third	O
"	O
of	O
the	O
100	O
billion	O
monthly	O
searches	O
Google	B-Application
processed	O
in	O
May	O
2016	O
.	O
</s>
<s>
The	O
information	O
is	O
often	O
used	O
as	O
a	O
spoken	O
answer	O
in	O
Google	B-Application
Assistant	I-Application
and	O
Google	B-Device
Home	I-Device
searches	O
.	O
</s>
<s>
The	O
Knowledge	B-Application
Graph	I-Application
has	O
been	O
criticized	O
for	O
providing	O
answers	O
without	O
source	O
attribution	O
.	O
</s>
<s>
In	O
May	O
2017	O
,	O
Google	B-Application
enabled	O
a	O
new	O
"	O
Personal	O
"	O
tab	O
in	O
Google	B-Application
Search	I-Application
,	O
letting	O
users	O
search	O
for	O
content	O
in	O
their	O
Google	B-Application
accounts	O
 '	O
various	O
services	O
,	O
including	O
email	O
messages	O
from	O
Gmail	B-Application
and	O
photos	O
from	O
Google	B-Algorithm
Photos	I-Algorithm
.	O
</s>
<s>
Google	B-Application
Discover	O
,	O
previously	O
known	O
as	O
Google	B-Application
Feed	O
,	O
is	O
a	O
personalized	O
stream	O
of	O
articles	O
,	O
videos	O
,	O
and	O
other	O
news-related	O
content	O
.	O
</s>
<s>
The	O
feed	O
contains	O
a	O
"	O
mix	O
of	O
cards	O
"	O
which	O
show	O
topics	O
of	O
interest	O
based	O
on	O
users	O
 '	O
interactions	O
with	O
Google	B-Application
,	O
or	O
topics	O
they	O
choose	O
to	O
follow	O
directly	O
.	O
</s>
<s>
Cards	O
include	O
,	O
"	O
links	O
to	O
news	O
stories	O
,	O
YouTube	B-General_Concept
videos	I-General_Concept
,	O
sports	O
scores	O
,	O
recipes	O
,	O
and	O
other	O
content	O
based	O
on	O
what	O
 [ Google ] 	O
determined	O
you	O
're	O
most	O
likely	O
to	O
be	O
interested	O
in	O
at	O
that	O
particular	O
moment.	O
"	O
</s>
<s>
Users	O
can	O
also	O
tell	O
Google	B-Application
they	O
're	O
not	O
interested	O
in	O
certain	O
topics	O
to	O
avoid	O
seeing	O
future	O
updates	O
.	O
</s>
<s>
Google	B-Application
Discover	O
launched	O
in	O
December	O
2016	O
and	O
received	O
a	O
major	O
update	O
in	O
July	O
2017	O
.	O
</s>
<s>
Another	O
major	O
update	O
was	O
released	O
in	O
September	O
2018	O
,	O
which	O
renamed	O
the	O
app	O
from	O
Google	B-Application
Feed	O
to	O
Google	B-Application
Discover	O
,	O
updated	O
the	O
design	O
,	O
and	O
adding	O
more	O
features	O
.	O
</s>
<s>
Discover	O
can	O
be	O
found	O
on	O
a	O
tab	O
in	O
the	B-Application
Google	I-Application
app	O
and	O
by	O
swiping	O
left	O
on	O
the	O
home	O
screen	O
of	O
certain	O
Android	B-Application
devices	O
.	O
</s>
<s>
As	O
of	O
2019	O
,	O
Google	B-Application
will	O
not	O
allow	O
political	O
campaigns	O
worldwide	O
to	O
target	O
their	O
advertisement	O
to	O
people	O
to	O
make	O
them	O
vote	O
.	O
</s>
<s>
Google	B-Application
's	I-Application
rise	O
was	O
largely	O
due	O
to	O
a	O
patented	O
algorithm	O
called	O
PageRank	B-Algorithm
which	O
helps	O
rank	O
web	B-Protocol
pages	O
that	O
match	O
a	O
given	O
search	O
string	O
.	O
</s>
<s>
When	O
Google	B-Application
was	O
a	O
Stanford	O
research	O
project	O
,	O
it	O
was	O
nicknamed	O
BackRub	B-Application
because	O
the	O
technology	O
checks	O
backlinks	O
to	O
determine	O
a	O
site	O
's	O
importance	O
.	O
</s>
<s>
Other	O
keyword-based	O
methods	O
to	O
rank	O
search	B-Application
results	I-Application
,	O
used	O
by	O
many	O
search	B-Application
engines	I-Application
that	O
were	O
once	O
more	O
popular	O
than	O
Google	B-Application
,	O
would	O
check	O
how	O
often	O
the	O
search	O
terms	O
occurred	O
in	O
a	O
page	O
,	O
or	O
how	O
strongly	O
associated	O
the	O
search	O
terms	O
were	O
within	O
each	O
resulting	O
page	O
.	O
</s>
<s>
The	O
PageRank	B-Algorithm
algorithm	I-Algorithm
instead	O
analyzes	O
human-generated	O
links	O
assuming	O
that	O
web	B-Protocol
pages	O
linked	O
from	O
many	O
important	O
pages	O
are	O
also	O
important	O
.	O
</s>
<s>
PageRank	B-Algorithm
is	O
thought	O
to	O
correlate	O
well	O
with	O
human	O
concepts	O
of	O
importance	O
.	O
</s>
<s>
In	O
addition	O
to	O
PageRank	B-Algorithm
,	O
Google	B-Application
,	O
over	O
the	O
years	O
,	O
has	O
added	O
many	O
other	O
secret	O
criteria	O
for	O
determining	O
the	O
ranking	O
of	O
resulting	O
pages	O
.	O
</s>
<s>
This	O
is	O
reported	O
to	O
comprise	O
over	O
250	O
different	O
indicators	O
,	O
the	O
specifics	O
of	O
which	O
are	O
kept	O
secret	O
to	O
avoid	O
difficulties	O
created	O
by	O
scammers	O
and	O
help	O
Google	B-Application
maintain	O
an	O
edge	O
over	O
its	O
competitors	O
globally	O
.	O
</s>
<s>
PageRank	B-Algorithm
was	O
influenced	O
by	O
a	O
similar	O
page-ranking	O
and	O
site-scoring	O
algorithm	O
earlier	O
used	O
for	O
RankDex	O
,	O
developed	O
by	O
Robin	O
Li	O
in	O
1996	O
.	O
</s>
<s>
Larry	O
Page	O
's	O
patent	O
for	O
PageRank	B-Algorithm
filed	O
in	O
1998	O
includes	O
a	O
citation	O
to	O
Li	O
's	O
earlier	O
patent	O
.	O
</s>
<s>
Li	O
later	O
went	O
on	O
to	O
create	O
the	O
Chinese	O
search	B-Application
engine	I-Application
Baidu	B-Application
in	O
2000	O
.	O
</s>
<s>
In	O
a	O
potential	O
hint	O
of	O
Google	B-Application
's	I-Application
future	O
direction	O
of	O
their	O
Search	O
algorithm	O
,	O
Google	B-Application
's	I-Application
then	O
chief	O
executive	O
Eric	O
Schmidt	O
,	O
said	O
in	O
a	O
2007	O
interview	O
with	O
the	O
Financial	O
Times	O
:	O
"	O
The	O
goal	O
is	O
to	O
enable	O
Google	B-Application
users	O
to	O
be	O
able	O
to	O
ask	O
the	O
question	O
such	O
as	O
'	O
What	O
shall	O
I	O
do	O
tomorrow	O
?	O
'	O
</s>
<s>
Schmidt	O
reaffirmed	O
this	O
during	O
a	O
2010	O
interview	O
with	O
The	O
Wall	O
Street	O
Journal	O
:	O
"	O
I	O
actually	O
think	O
most	O
people	O
do	O
n't	O
want	O
Google	B-Application
to	O
answer	O
their	O
questions	O
,	O
they	O
want	O
Google	B-Application
to	O
tell	O
them	O
what	O
they	O
should	O
be	O
doing	O
next.	O
"	O
</s>
<s>
In	O
2013	O
the	O
European	O
Commission	O
found	O
that	O
Google	B-Application
Search	I-Application
favored	O
Google	B-Application
's	I-Application
own	O
products	O
,	O
instead	O
of	O
the	O
best	O
result	O
for	O
consumers	O
 '	O
needs	O
.	O
</s>
<s>
In	O
February	O
2015	O
Google	B-Application
announced	O
a	O
major	O
change	O
to	O
its	O
mobile	O
search	O
algorithm	O
which	O
would	O
favor	O
mobile	O
friendly	O
over	O
other	O
websites	O
.	O
</s>
<s>
Nearly	O
60%	O
of	O
Google	B-Application
searches	I-Application
come	O
from	O
mobile	O
phones	O
.	O
</s>
<s>
Google	B-Application
says	O
it	O
wants	O
users	O
to	O
have	O
access	O
to	O
premium	O
quality	O
websites	O
.	O
</s>
<s>
Those	O
websites	O
which	O
lack	O
a	O
mobile-friendly	O
interface	B-Application
would	O
be	O
ranked	O
lower	O
and	O
it	O
is	O
expected	O
that	O
this	O
update	O
will	O
cause	O
a	O
shake-up	O
of	O
ranks	B-Algorithm
.	O
</s>
<s>
Because	O
Google	B-Application
is	O
the	O
most	O
popular	O
search	B-Application
engine	I-Application
,	O
many	O
webmasters	O
attempt	O
to	O
influence	O
their	O
website	O
's	O
Google	B-Algorithm
rankings	I-Algorithm
.	O
</s>
<s>
An	O
industry	O
of	O
consultants	O
has	O
arisen	O
to	O
help	O
websites	O
increase	O
their	O
rankings	O
on	O
Google	B-Application
and	O
other	O
search	B-Application
engines	I-Application
.	O
</s>
<s>
This	O
field	O
,	O
called	O
search	B-Application
engine	I-Application
optimization	O
,	O
attempts	O
to	O
discern	O
patterns	O
in	O
search	B-Application
engine	I-Application
listings	O
,	O
and	O
then	O
develop	O
a	O
methodology	O
for	O
improving	O
rankings	O
to	O
draw	O
more	O
searchers	O
to	O
their	O
clients	O
 '	O
sites	O
.	O
</s>
<s>
Search	B-Application
engine	I-Application
optimization	O
encompasses	O
both	O
"	O
on	O
page	O
"	O
factors	O
(	O
like	O
body	O
copy	O
,	O
title	O
elements	O
,	O
H1	O
heading	O
elements	O
and	O
image	O
alt	O
attribute	O
values	O
)	O
and	O
Off	O
Page	O
Optimization	O
factors	O
(	O
like	O
anchor	O
text	O
and	O
PageRank	B-Algorithm
)	O
.	O
</s>
<s>
The	O
general	O
idea	O
is	O
to	O
affect	O
Google	B-Application
's	I-Application
relevance	O
algorithm	O
by	O
incorporating	O
the	B-Application
keywords	I-Application
being	O
targeted	O
in	O
various	O
places	O
"	O
on	O
page	O
"	O
,	O
in	O
particular	O
the	O
title	O
element	O
and	O
the	O
body	O
copy	O
(	O
note	O
:	O
the	O
higher	O
up	O
in	O
the	O
page	O
,	O
presumably	O
the	O
better	O
its	O
keyword	O
prominence	O
and	O
thus	O
the	O
ranking	O
)	O
.	O
</s>
<s>
Too	O
many	O
occurrences	O
of	O
the	B-Application
keyword	I-Application
,	O
however	O
,	O
cause	O
the	O
page	O
to	O
look	O
suspect	O
to	O
Google	B-Application
's	I-Application
spam	O
checking	O
algorithms	O
.	O
</s>
<s>
Google	B-Application
has	O
published	O
guidelines	O
for	O
website	O
owners	O
who	O
would	O
like	O
to	O
raise	O
their	O
rankings	O
when	O
using	O
legitimate	O
optimization	O
consultants	O
.	O
</s>
<s>
It	O
has	O
been	O
hypothesized	O
,	O
and	O
,	O
allegedly	O
,	O
is	O
the	O
opinion	O
of	O
the	O
owner	O
of	O
one	O
business	O
about	O
which	O
there	O
have	O
been	O
numerous	O
complaints	O
,	O
that	O
negative	O
publicity	O
,	O
for	O
example	O
,	O
numerous	O
consumer	O
complaints	O
,	O
may	O
serve	O
as	O
well	O
to	O
elevate	O
page	B-Algorithm
rank	I-Algorithm
on	O
Google	B-Application
Search	I-Application
as	O
favorable	O
comments	O
.	O
</s>
<s>
The	O
particular	O
problem	O
addressed	O
in	O
The	O
New	O
York	O
Times	O
article	O
,	O
which	O
involved	O
DecorMyEyes	O
,	O
was	O
addressed	O
shortly	O
thereafter	O
by	O
an	O
undisclosed	O
fix	O
in	O
the	B-Application
Google	I-Application
algorithm	O
.	O
</s>
<s>
According	O
to	O
Google	B-Application
,	O
it	O
was	O
not	O
the	O
frequently	O
published	O
consumer	O
complaints	O
about	O
DecorMyEyes	O
which	O
resulted	O
in	O
the	O
high	O
ranking	O
but	O
mentions	O
on	O
news	O
websites	O
of	O
events	O
which	O
affected	O
the	O
firm	O
such	O
as	O
legal	O
actions	O
against	O
it	O
.	O
</s>
<s>
Google	B-Application
Search	I-Application
Console	I-Application
helps	O
to	O
check	O
for	O
websites	O
that	O
use	O
duplicate	O
or	O
copyright	O
content	O
.	O
</s>
<s>
In	O
2013	O
,	O
Google	B-Application
significantly	O
upgraded	O
its	O
search	O
algorithm	O
with	O
"	O
Hummingbird	O
"	O
.	O
</s>
<s>
The	O
upgrade	O
marked	O
the	O
most	O
significant	O
change	O
to	O
Google	B-Application
search	I-Application
in	O
years	O
,	O
with	O
more	O
"	O
human	O
"	O
search	O
interactions	O
and	O
a	O
much	O
heavier	O
focus	O
on	O
conversation	O
and	O
meaning	O
.	O
</s>
<s>
Thus	O
,	O
web	B-Protocol
developers	O
and	O
writers	O
were	O
encouraged	O
to	O
optimize	O
their	O
sites	O
with	O
natural	O
writing	O
rather	O
than	O
forced	O
keywords	O
,	O
and	O
make	O
effective	O
use	O
of	O
technical	O
web	B-Protocol
development	O
for	O
on-site	O
navigation	O
.	O
</s>
<s>
On	O
certain	O
occasions	O
,	O
the	O
logo	O
on	O
Google	B-Application
's	I-Application
webpage	O
will	O
change	O
to	O
a	O
special	O
version	O
,	O
known	O
as	O
a	O
"	O
Google	B-Application
Doodle	O
"	O
.	O
</s>
<s>
Clicking	O
on	O
the	O
Doodle	O
links	O
to	O
a	O
string	O
of	O
Google	B-Application
search	I-Application
results	O
about	O
the	O
topic	O
.	O
</s>
<s>
The	O
first	O
was	O
a	O
reference	O
to	O
the	O
Burning	O
Man	O
Festival	O
in	O
1998	O
,	O
and	O
others	O
have	O
been	O
produced	O
for	O
the	O
birthdays	O
of	O
notable	O
people	O
like	O
Albert	O
Einstein	O
,	O
historical	O
events	O
like	O
the	O
interlocking	O
Lego	B-Language
block	O
's	O
50th	O
anniversary	O
and	O
holidays	O
like	O
Valentine	O
's	O
Day	O
.	O
</s>
<s>
Some	O
Google	B-Application
Doodles	O
have	O
interactivity	O
beyond	O
a	O
simple	O
search	O
,	O
such	O
as	O
the	O
famous	O
"	O
Google	B-Application
Pac-Man	O
"	O
version	O
that	O
appeared	O
on	O
May	O
21	O
,	O
2010	O
.	O
</s>
<s>
Google	B-Application
offers	O
a	O
"	O
Google	B-Application
Search	I-Application
"	O
mobile	B-Application
app	I-Application
for	O
Android	B-Application
and	O
iOS	B-Application
devices	O
.	O
</s>
<s>
The	O
mobile	B-Application
apps	I-Application
exclusively	O
feature	O
Google	B-Application
Discover	O
and	O
a	O
"	O
Collections	O
"	O
feature	O
,	O
in	O
which	O
the	O
user	O
can	O
save	O
for	O
later	O
perusal	O
any	O
type	O
of	O
search	O
result	O
like	O
images	B-General_Concept
,	O
bookmarks	O
or	O
map	O
locations	O
into	O
groups	O
.	O
</s>
<s>
Android	B-Application
devices	O
were	O
introduced	O
to	O
a	O
preview	O
of	O
the	O
feed	O
,	O
perceived	O
as	O
related	O
to	O
Google	B-Application
Now	I-Application
,	O
in	O
December	O
2016	O
,	O
while	O
it	O
was	O
made	O
official	O
on	O
both	O
Android	B-Application
and	O
iOS	B-Application
in	O
July	O
2017	O
.	O
</s>
<s>
In	O
April	O
2016	O
,	O
Google	B-Application
updated	O
its	O
Search	O
app	O
on	O
Android	B-Application
to	O
feature	O
"	O
Trends	O
"	O
;	O
search	O
queries	O
gaining	O
popularity	O
appeared	O
in	O
the	O
autocomplete	O
box	O
along	O
with	O
normal	O
query	O
autocompletion	O
.	O
</s>
<s>
In	O
September	O
2017	O
,	O
the	B-Application
Google	I-Application
Search	O
app	O
on	O
iOS	B-Application
was	O
updated	O
to	O
feature	O
the	O
same	O
functionality	O
.	O
</s>
<s>
In	O
December	O
2017	O
,	O
Google	B-Application
released	O
"	O
Google	B-Application
Go	O
"	O
,	O
an	O
app	O
designed	O
to	O
enable	O
use	O
of	O
Google	B-Application
Search	I-Application
on	O
physically	O
smaller	O
and	O
lower-spec	O
devices	O
in	O
multiple	O
languages	O
.	O
</s>
<s>
A	O
Google	B-Application
blog	I-Application
post	O
about	O
designing	O
"	O
India-first	O
"	O
products	O
and	O
features	O
explains	O
that	O
it	O
is	O
"	O
tailor-made	O
for	O
the	O
millions	O
of	O
people	O
in	O
[	O
India	O
and	O
Indonesia ]	O
coming	O
online	O
for	O
the	O
first	O
time	O
"	O
.	O
</s>
<s>
Until	O
May	O
2013	O
,	O
Google	B-Application
Search	I-Application
had	O
offered	O
a	O
feature	O
to	O
translate	B-General_Concept
search	I-General_Concept
queries	I-General_Concept
into	I-General_Concept
other	I-General_Concept
languages	I-General_Concept
.	O
</s>
<s>
A	O
Google	B-Application
spokesperson	O
told	O
Search	B-Application
Engine	I-Application
Land	O
that	O
"	O
Removing	O
features	O
is	O
always	O
tough	O
,	O
but	O
we	O
do	O
think	O
very	O
hard	O
about	O
each	O
decision	O
and	O
its	O
implications	O
for	O
our	O
users	O
.	O
</s>
<s>
Instant	O
search	O
was	O
announced	O
in	O
September	O
2010	O
as	O
a	O
feature	O
that	O
displayed	B-Application
suggested	I-Application
results	I-Application
while	I-Application
the	I-Application
user	I-Application
typed	I-Application
in	I-Application
their	I-Application
search	I-Application
query	I-Application
,	O
initially	O
only	O
in	O
select	O
countries	O
or	O
to	O
registered	O
users	O
.	O
</s>
<s>
With	O
Google	B-Application
Instant	O
,	O
we	O
estimate	O
that	O
we	O
'll	O
save	O
our	O
users	O
11	O
hours	O
with	O
each	O
passing	O
second	O
!	O
"	O
</s>
<s>
Matt	O
Van	O
Wagner	O
of	O
Search	B-Application
Engine	I-Application
Land	O
wrote	O
that	O
"	O
Personally	O
,	O
I	O
kind	O
of	O
like	O
Google	B-Application
Instant	O
and	O
I	O
think	O
it	O
represents	O
a	O
natural	O
evolution	O
in	O
the	O
way	O
search	O
works	O
"	O
,	O
and	O
also	O
praised	O
Google	B-Application
's	I-Application
efforts	O
in	O
public	O
relations	O
,	O
writing	O
that	O
"	O
With	O
just	O
a	O
press	O
conference	O
and	O
a	O
few	O
well-placed	O
interviews	O
,	O
Google	B-Application
has	O
parlayed	O
this	O
relatively	O
minor	O
speed	O
improvement	O
into	O
an	O
attention-grabbing	O
front-page	O
news	O
story	O
"	O
.	O
</s>
<s>
The	O
upgrade	O
also	O
became	O
notable	O
for	O
the	O
company	O
switching	O
Google	B-Application
Search	I-Application
's	O
underlying	O
technology	O
from	O
HTML	B-Language
to	O
AJAX	B-General_Concept
.	O
</s>
<s>
Instant	O
Search	O
could	O
be	O
disabled	O
via	O
Google	B-Application
's	I-Application
"	O
preferences	O
"	O
menu	O
for	O
those	O
who	O
did	O
n't	O
want	O
its	O
functionality	O
.	O
</s>
<s>
The	O
publication	O
2600	O
:	O
The	O
Hacker	O
Quarterly	O
compiled	O
a	O
list	O
of	O
words	O
that	O
Google	B-Application
Instant	O
did	O
not	O
show	O
suggested	O
results	O
for	O
,	O
with	O
a	O
Google	B-Application
spokesperson	O
giving	O
the	O
following	O
statement	O
to	O
Mashable	O
:	O
</s>
<s>
On	O
July	O
26	O
,	O
2017	O
,	O
Google	B-Application
removed	O
Instant	O
results	O
,	O
due	O
to	O
a	O
growing	O
number	O
of	O
searches	O
on	O
mobile	O
devices	O
,	O
where	O
interaction	O
with	O
search	O
,	O
as	O
well	O
as	O
screen	O
sizes	O
,	O
differ	O
significantly	O
from	O
a	O
computer	O
.	O
</s>
<s>
"	O
Instant	O
previews	O
"	O
allowed	O
previewing	O
screenshots	O
of	O
search	B-Application
results	I-Application
 '	O
web	B-Protocol
pages	O
without	O
having	O
to	O
open	O
them	O
.	O
</s>
<s>
Various	O
search	B-Application
engines	I-Application
provide	O
encrypted	O
Web	B-Application
search	I-Application
facilities	O
.	O
</s>
<s>
In	O
May	O
2010	O
Google	B-Application
rolled	O
out	O
SSL-encrypted	O
web	B-Application
search	I-Application
.	O
</s>
<s>
The	O
encrypted	O
search	O
was	O
accessed	O
at	O
encrypted.google.com	O
However	O
,	O
the	O
web	B-Application
search	I-Application
is	O
encrypted	O
via	O
Transport	B-Protocol
Layer	I-Protocol
Security	I-Protocol
(	O
TLS	B-Protocol
)	O
by	O
default	O
today	O
,	O
thus	O
every	O
search	O
request	O
should	O
be	O
automatically	O
encrypted	O
if	O
TLS	B-Protocol
is	O
supported	O
by	O
the	O
web	B-Protocol
browser	O
.	O
</s>
<s>
On	O
its	O
support	O
website	O
,	O
Google	B-Application
announced	O
that	O
the	O
address	O
encrypted.google.com	O
would	O
be	O
turned	O
off	O
April	O
30	O
,	O
2018	O
,	O
stating	O
that	O
all	O
Google	B-Application
products	I-Application
and	O
most	O
new	O
browsers	O
use	O
HTTPS	O
connections	O
as	O
the	O
reason	O
for	O
the	O
discontinuation	O
.	O
</s>
<s>
Google	B-Application
Real-Time	B-General_Concept
Search	O
was	O
a	O
feature	O
of	O
Google	B-Application
Search	I-Application
in	O
which	O
search	B-Application
results	I-Application
also	O
sometimes	O
included	O
real-time	B-General_Concept
information	O
from	O
sources	O
such	O
as	O
Twitter	B-Application
,	O
Facebook	B-Application
,	O
blogs	O
,	O
and	O
news	O
websites	O
.	O
</s>
<s>
The	O
feature	O
was	O
introduced	O
on	O
December	O
7	O
,	O
2009	O
and	O
went	O
offline	O
on	O
July	O
2	O
,	O
2011	O
,	O
after	O
the	O
deal	O
with	O
Twitter	B-Application
expired	O
.	O
</s>
<s>
Real-Time	B-General_Concept
Search	O
included	O
Facebook	B-Application
status	O
updates	O
beginning	O
on	O
February	O
24	O
,	O
2010	O
.	O
</s>
<s>
A	O
feature	O
similar	O
to	O
Real-Time	B-General_Concept
Search	O
was	O
already	O
available	O
on	O
Microsoft	O
's	O
Bing	B-Application
search	I-Application
engine	I-Application
,	O
which	O
showed	O
results	O
from	O
Twitter	B-Application
and	O
Facebook	B-Application
.	I-Application
</s>
<s>
The	O
interface	B-Application
for	O
the	O
engine	O
showed	O
a	O
live	O
,	O
descending	O
"	O
river	O
"	O
of	O
posts	O
in	O
the	O
main	O
region	O
(	O
which	O
could	O
be	O
paused	O
or	O
resumed	O
)	O
,	O
while	O
a	O
bar	B-Application
chart	I-Application
metric	O
of	O
the	O
frequency	O
of	O
posts	O
containing	O
a	O
certain	O
search	O
term	O
or	O
hashtag	O
was	O
located	O
on	O
the	O
right	O
hand	O
corner	O
of	O
the	O
page	O
above	O
a	O
list	O
of	O
most	O
frequently	O
reposted	O
posts	O
and	O
outgoing	O
links	O
.	O
</s>
<s>
Hashtag	O
search	O
links	O
were	O
also	O
supported	O
,	O
as	O
were	O
"	O
promoted	O
"	O
tweets	O
hosted	O
by	O
Twitter	B-Application
(	O
located	O
persistently	O
on	O
top	O
of	O
the	O
river	O
)	O
and	O
thumbnails	O
of	O
retweeted	O
image	O
or	O
video	O
links	O
.	O
</s>
<s>
In	O
January	O
2011	O
,	O
geolocation	O
links	O
of	O
posts	O
were	O
made	O
available	O
alongside	O
results	O
in	O
Real-Time	B-General_Concept
Search	O
.	O
</s>
<s>
In	O
addition	O
,	O
posts	O
containing	O
syndicated	O
or	O
attached	O
shortened	O
links	O
were	O
made	O
searchable	B-Application
by	O
the	O
link	O
:	O
query	O
option	O
.	O
</s>
<s>
In	O
July	O
2011	O
Real-Time	B-General_Concept
Search	O
became	O
inaccessible	O
,	O
with	O
the	O
Real-Time	B-General_Concept
link	O
in	O
the	B-Application
Google	I-Application
sidebar	O
disappearing	O
and	O
a	O
custom	O
404	O
error	O
page	O
generated	O
by	O
Google	B-Application
returned	O
at	O
its	O
former	O
URL	O
.	O
</s>
<s>
Google	B-Application
originally	O
suggested	O
that	O
the	O
interruption	O
was	O
temporary	O
and	O
related	O
to	O
the	O
launch	O
of	O
Google+	B-Application
;	O
they	O
subsequently	O
announced	O
that	O
it	O
was	O
due	O
to	O
the	O
expiry	O
of	O
a	O
commercial	O
arrangement	O
with	O
Twitter	B-Application
to	O
provide	O
access	O
to	O
tweets	O
.	O
</s>
<s>
Searches	O
made	O
by	O
search	B-Application
engines	I-Application
,	O
including	O
Google	B-Application
,	O
leave	O
traces	O
.	O
</s>
<s>
When	O
using	O
a	O
search	B-Application
engine	I-Application
through	O
a	O
browser	O
program	O
on	O
a	O
computer	O
,	O
search	O
terms	O
and	O
other	O
information	O
may	O
be	O
stored	O
on	O
the	O
computer	O
by	O
default	O
,	O
unless	O
the	O
browser	O
is	O
set	O
not	O
to	O
do	O
this	O
,	O
or	O
they	O
are	O
erased	O
.	O
</s>
<s>
An	O
Internet	O
service	O
provider	O
(	O
ISP	O
)	O
or	O
search	B-Application
engine	I-Application
provider	O
(	O
e.g.	O
</s>
<s>
Google	B-Application
)	O
may	O
store	O
records	O
which	O
relate	O
search	O
terms	O
to	O
an	O
IP	B-Protocol
address	I-Protocol
and	O
a	O
time	O
.	O
</s>
<s>
Some	O
search	B-Application
engines	I-Application
,	O
located	O
in	O
jurisdictions	O
where	O
it	O
is	O
not	O
illegal	O
,	O
make	O
a	O
feature	O
of	O
not	O
storing	O
user	O
search	O
information	O
.	O
</s>
<s>
The	B-Application
keywords	I-Application
suggested	O
by	O
the	O
Autocomplete	O
feature	O
show	O
a	O
population	O
of	O
users	O
 '	O
research	O
which	O
is	O
made	O
possible	O
by	O
an	O
identity	O
management	O
system	O
.	O
</s>
<s>
Volumes	O
of	O
personal	O
data	O
are	O
collected	O
via	O
Eddystone	B-Operating_System
web	B-Protocol
and	O
proximity	O
beacons	B-Protocol
.	O
</s>
<s>
Google	B-Application
has	O
been	O
criticized	O
for	O
placing	O
long-term	O
cookies	B-Application
on	O
users	O
 '	O
machines	O
to	O
store	O
these	O
preferences	O
,	O
a	O
tactic	O
which	O
also	O
enables	O
them	O
to	O
track	O
a	O
user	O
's	O
search	O
terms	O
and	O
retain	O
the	O
data	O
for	O
more	O
than	O
a	O
year	O
.	O
</s>
<s>
Since	O
2012	O
,	O
Google	B-Application
Inc	I-Application
.	I-Application
has	O
globally	O
introduced	O
encrypted	O
connections	O
for	O
most	O
of	O
its	O
clients	O
,	O
to	O
bypass	O
governative	O
blockings	O
of	O
the	O
commercial	O
and	O
IT	O
services	O
.	O
</s>
<s>
In	O
late	O
June	O
2011	O
,	O
Google	B-Application
introduced	O
a	O
new	O
look	O
to	O
the	B-Application
Google	I-Application
home	O
page	O
in	O
order	O
to	O
boost	O
the	O
use	O
of	O
the	O
Google+	O
social	O
tools	O
.	O
</s>
<s>
Google	B-Application
's	I-Application
digital	O
creative	O
director	O
Chris	O
Wiggins	O
explains	O
:	O
"	O
We	O
're	O
working	O
on	O
a	O
project	O
to	O
bring	O
you	O
a	O
new	O
and	O
improved	O
Google	B-Application
experience	O
,	O
and	O
over	O
the	O
next	O
few	O
months	O
,	O
you	O
'll	O
continue	O
to	O
see	O
more	O
updates	O
to	O
our	O
look	O
and	O
feel.	O
"	O
</s>
<s>
In	O
November	O
2013	O
,	O
Google	B-Application
started	O
testing	O
yellow	O
labels	O
for	O
advertisements	O
displayed	O
in	O
search	B-Application
results	I-Application
,	O
to	O
improve	O
user	O
experience	O
.	O
</s>
<s>
On	O
December	O
15	O
,	O
2016	O
,	O
Google	B-Application
rolled	O
out	O
a	O
new	O
desktop	O
search	O
interface	B-Application
that	O
mimics	O
their	O
modular	O
mobile	O
user	O
interface	B-Application
.	O
</s>
<s>
The	O
mobile	O
design	O
consists	O
of	O
a	O
tabular	O
design	O
that	O
highlights	O
search	B-Application
features	I-Application
in	O
boxes	O
.	O
</s>
<s>
and	O
works	O
by	O
imitating	O
the	O
desktop	O
Knowledge	B-Application
Graph	I-Application
real	O
estate	O
,	O
which	O
appears	O
in	O
the	O
right-hand	O
rail	O
of	O
the	O
search	B-Application
engine	I-Application
result	O
page	O
,	O
these	O
featured	O
elements	O
frequently	O
feature	O
Twitter	B-Application
carousels	O
,	O
People	O
Also	O
Search	O
For	O
,	O
and	O
Top	O
Stories	O
(	O
vertical	O
and	O
horizontal	O
design	O
)	O
modules	O
.	O
</s>
<s>
The	O
Local	O
Pack	O
and	O
Answer	O
Box	O
were	O
two	O
of	O
the	O
original	O
features	O
of	O
the	B-Application
Google	I-Application
SERP	O
that	O
were	O
primarily	O
showcased	O
in	O
this	O
manner	O
,	O
but	O
this	O
new	O
layout	O
creates	O
a	O
previously	O
unseen	O
level	O
of	O
design	O
consistency	O
for	O
Google	B-Application
results	O
.	O
</s>
<s>
In	O
addition	O
to	O
its	O
tool	O
for	O
searching	O
web	B-Protocol
pages	O
,	O
Google	B-Application
also	O
provides	O
services	O
for	O
searching	O
images	B-General_Concept
,	O
Usenet	B-Application
newsgroups	I-Application
,	O
news	O
websites	O
,	O
videos	O
(	O
Google	B-Application
Videos	I-Application
)	O
,	O
searching	O
by	O
locality	O
,	O
maps	O
,	O
and	O
items	O
for	O
sale	O
online	O
.	O
</s>
<s>
Google	B-Application
Videos	I-Application
allows	O
searching	O
the	O
World	O
Wide	O
Web	B-Protocol
for	O
video	O
clips	O
.	O
</s>
<s>
The	O
service	O
evolved	O
from	O
Google	B-Application
Video	O
,	O
Google	B-Application
's	I-Application
discontinued	O
video	O
hosting	O
service	O
that	O
also	O
allowed	O
to	O
search	B-Application
the	I-Application
web	I-Application
for	O
video	O
clips	O
.	O
</s>
<s>
In	O
2012	O
,	O
Google	B-Application
has	O
indexed	O
over	O
30	O
trillion	O
web	B-Protocol
pages	O
,	O
and	O
received	O
100	O
billion	O
queries	O
per	O
month	O
.	O
</s>
<s>
It	O
also	O
caches	B-Protocol
much	O
of	O
the	O
content	O
that	O
it	O
indexes	B-Application
.	O
</s>
<s>
Google	B-Application
operates	O
other	O
tools	O
and	O
services	O
including	O
Google	B-Application
News	I-Application
,	O
Google	B-Application
Shopping	I-Application
,	O
Google	B-Application
Maps	I-Application
,	O
Google	B-Application
Custom	I-Application
Search	I-Application
,	O
Google	B-Application
Earth	I-Application
,	O
Google	B-Application
Docs	I-Application
,	O
Picasa	B-Application
(	O
discontinued	O
)	O
,	O
Panoramio	B-Algorithm
(	O
discontinued	O
)	O
,	O
YouTube	B-General_Concept
,	O
Google	B-Application
Translate	I-Application
,	O
Google	B-Application
Blog	I-Application
Search	O
and	O
Google	B-Application
Desktop	I-Application
Search	I-Application
(	O
discontinued	O
)	O
.	O
</s>
<s>
There	O
are	O
also	O
products	O
available	O
from	O
Google	B-Application
that	O
are	O
not	O
directly	O
search-related	O
.	O
</s>
<s>
Gmail	B-Application
,	O
for	O
example	O
,	O
is	O
a	O
webmail	B-Protocol
application	O
,	O
but	O
still	O
includes	O
search	B-Application
features	I-Application
;	O
Google	B-Operating_System
Browser	I-Operating_System
Sync	I-Operating_System
does	O
not	O
offer	O
any	O
search	O
facilities	O
,	O
although	O
it	O
aims	O
to	O
organize	O
your	O
browsing	O
time	O
.	O
</s>
<s>
In	O
2009	O
,	O
Google	B-Application
claimed	O
that	O
a	O
search	O
query	O
requires	O
altogether	O
about	O
1kJ	O
or	O
0.0003kW	O
·h	O
,	O
which	O
is	O
enough	O
to	O
raise	O
the	O
temperature	O
of	O
one	O
liter	O
of	O
water	O
by	O
0.24	O
°C	O
.	O
</s>
<s>
According	O
to	O
green	O
search	B-Application
engine	I-Application
Ecosia	O
,	O
the	O
industry	O
standard	O
for	O
search	B-Application
engines	I-Application
is	O
estimated	O
to	O
be	O
about	O
0.2grams	O
of	O
CO2	O
emission	O
per	O
search	O
.	O
</s>
<s>
Google	B-Application
's	I-Application
40,000	O
searches	O
per	O
second	O
translate	O
to	O
8kg	O
CO2	O
per	O
second	O
or	O
over	O
252	O
million	O
kilos	O
of	O
CO2	O
per	O
year	O
.	O
</s>
<s>
In	O
2003	O
,	O
The	O
New	O
York	O
Times	O
complained	O
about	O
Google	B-Application
's	I-Application
indexing	B-Application
,	O
claiming	O
that	O
Google	B-Application
's	I-Application
caching	B-Protocol
of	O
content	O
on	O
its	O
site	O
infringed	O
its	O
copyright	O
for	O
the	O
content	O
.	O
</s>
<s>
In	O
both	O
Field	O
v	O
.	O
Google	B-Application
and	O
Parker	O
v	O
.	O
Google	B-Application
,	O
the	O
United	O
States	O
District	O
Court	O
of	O
Nevada	O
ruled	O
in	O
favor	O
of	O
Google	B-Application
.	I-Application
</s>
<s>
Google	B-Application
flags	O
search	B-Application
results	I-Application
with	O
the	O
message	O
"	O
This	B-Application
site	I-Application
may	I-Application
harm	I-Application
your	I-Application
computer	I-Application
"	O
if	O
the	O
site	O
is	O
known	O
to	O
install	O
malicious	O
software	O
in	O
the	O
background	O
or	O
otherwise	O
surreptitiously	O
.	O
</s>
<s>
For	O
approximately	O
40	O
minutes	O
on	O
January	O
31	O
,	O
2009	O
,	O
all	O
search	B-Application
results	I-Application
were	O
mistakenly	O
classified	O
as	O
malware	O
and	O
could	O
therefore	O
not	O
be	O
clicked	O
;	O
instead	O
a	O
warning	O
message	O
was	O
displayed	O
and	O
the	O
user	O
was	O
required	O
to	O
enter	O
the	O
requested	O
URL	O
manually	O
.	O
</s>
<s>
In	O
2007	O
,	O
a	O
group	O
of	O
researchers	O
observed	O
a	O
tendency	O
for	O
users	O
to	O
rely	O
exclusively	O
on	O
Google	B-Application
Search	I-Application
for	O
finding	O
information	O
,	O
writing	O
that	O
"	O
With	O
the	B-Application
Google	I-Application
interface	B-Application
the	O
user	O
gets	O
the	O
impression	O
that	O
the	O
search	B-Application
results	I-Application
imply	O
a	O
kind	O
of	O
totality	O
....	O
</s>
<s>
In	O
2011	O
,	O
Google	B-Application
Search	I-Application
query	O
results	O
have	O
been	O
shown	O
by	O
Internet	O
activist	O
Eli	O
Pariser	O
to	O
be	O
tailored	O
to	O
users	O
,	O
effectively	O
isolating	O
users	O
in	O
what	O
he	O
defined	O
as	O
a	O
filter	B-Algorithm
bubble	I-Algorithm
.	O
</s>
<s>
Pariser	O
holds	O
algorithms	O
used	O
in	O
search	B-Application
engines	I-Application
such	O
as	O
Google	B-Application
Search	I-Application
responsible	O
for	O
catering	O
"	O
a	O
personal	O
ecosystem	O
of	O
information	O
"	O
.	O
</s>
<s>
Although	O
contrasting	O
views	O
have	O
mitigated	O
the	O
potential	O
threat	O
of	O
"	O
informational	O
dystopia	O
"	O
and	O
questioned	O
the	O
scientific	O
nature	O
of	O
Pariser	O
's	O
claims	O
,	O
filter	B-Algorithm
bubbles	I-Algorithm
have	O
been	O
mentioned	O
to	O
account	O
for	O
the	O
surprising	O
results	O
of	O
the	O
U.S.	O
presidential	O
election	O
in	O
2016	O
alongside	O
fake	O
news	O
and	O
echo	O
chambers	O
,	O
suggesting	O
that	O
Facebook	B-Application
and	O
Google	B-Application
have	O
designed	O
personalized	O
online	O
realities	O
in	O
which	O
"	O
we	O
only	O
see	O
and	O
hear	O
what	O
we	O
like	O
"	O
.	O
</s>
<s>
In	O
2012	O
,	O
the	O
US	O
Federal	O
Trade	O
Commission	O
fined	O
Google	B-Application
US	O
$22.5	O
million	O
for	O
violating	O
their	O
agreement	O
not	O
to	O
violate	O
the	O
privacy	O
of	O
users	O
of	O
Apple	B-Application
's	I-Application
Safari	I-Application
web	B-Protocol
browser	O
.	O
</s>
<s>
The	O
FTC	O
was	O
also	O
continuing	O
to	O
investigate	O
if	O
Google	B-Application
's	I-Application
favoring	O
of	O
their	O
own	O
services	O
in	O
their	O
search	B-Application
results	I-Application
violated	O
antitrust	O
regulations	O
.	O
</s>
<s>
Google	B-Application
search	I-Application
engine	I-Application
robots	O
are	O
programmed	O
to	O
use	O
algorithms	O
that	O
understand	O
and	O
predict	O
human	O
behavior	O
.	O
</s>
<s>
The	O
book	O
,	O
Race	O
After	O
Technology	O
:	O
Abolitionist	O
Tools	O
for	O
the	O
New	O
Jim	O
Code	O
by	O
Ruha	O
Benjamin	O
talks	O
about	O
human	O
bias	O
as	O
a	O
behavior	O
that	O
the	B-Application
Google	I-Application
search	B-Application
engine	I-Application
can	O
recognize	O
.	O
</s>
<s>
In	O
2016	O
,	O
some	O
users	O
google	B-Application
searched	O
"	O
three	O
Black	O
teenagers	O
"	O
and	O
images	B-General_Concept
of	O
criminal	O
mugshots	O
of	O
young	O
African	O
American	O
teenagers	O
came	O
up	O
.	O
</s>
<s>
This	O
has	O
led	O
to	O
lawsuits	O
,	O
threats	O
of	O
lawsuits	O
,	O
and	O
the	O
use	O
of	O
euphemisms	O
,	O
such	O
as	O
calling	O
Google	B-Application
Search	I-Application
a	O
famous	O
web	B-Application
search	I-Application
engine	I-Application
.	O
</s>
