<s>
For	O
instance	O
,	O
text	B-Algorithm
mining	I-Algorithm
techniques	O
are	O
leveraged	O
to	O
detect	O
regular	O
activity	O
of	O
spamming	O
which	O
reduces	O
the	O
viewership	O
and	O
brings	O
down	O
the	O
reputation	O
(	O
or	O
credibility	O
)	O
of	O
a	O
public	O
pages	O
maintained	O
over	O
Facebook	B-Application
.	I-Application
</s>
<s>
On	O
some	O
online	O
social	O
networks	O
like	O
Twitter	B-Application
,	O
users	O
have	O
evolved	O
mechanisms	O
to	O
report	O
spammers	O
which	O
has	O
been	O
studied	O
and	O
analyzed	O
.	O
</s>
<s>
However	O
,	O
large	O
services	O
,	O
such	O
as	O
Myspace	B-Application
and	O
Netlog	O
,	O
often	O
work	O
with	O
law	O
enforcement	O
to	O
try	O
to	O
prevent	O
such	O
incidents	O
.	O
</s>
<s>
As	O
well	O
,	O
schemes	O
similar	O
to	O
e-mail	O
jamming	O
have	O
been	O
proposed	O
for	O
networks	O
such	O
as	O
Twitter	B-Application
and	O
Facebook	B-Application
.	I-Application
</s>
<s>
With	O
multiple	O
formats	O
for	O
marketing	O
,	O
Facebook	B-Application
offers	O
a	O
variety	O
of	O
direct	O
marketing	O
options	O
for	O
advertisers	O
to	O
reach	O
their	O
intended	O
audience	O
.	O
</s>
<s>
For	O
example	O
,	O
these	O
ads	O
may	O
appear	O
as	O
suggested	O
ad	O
posts	O
on	O
the	O
home	O
News	B-Application
Feed	I-Application
or	O
on	O
the	O
right	O
side	O
of	O
the	O
feed	O
as	O
a	O
banner	O
.	O
</s>
<s>
Users	O
who	O
"	O
like	O
"	O
a	O
business	O
page	O
will	O
be	O
subscribed	O
to	O
receive	O
these	O
business	O
 '	O
updates	O
on	O
their	O
home	O
News	B-Application
Feed	I-Application
.	O
</s>
<s>
From	O
the	O
fourth	O
quarter	O
of	O
2012	O
to	O
the	O
fourth	O
quarter	O
of	O
2013	O
,	O
Facebook	B-Application
increased	O
its	O
advertising	O
click-through	O
rate	O
by	O
365%	O
,	O
having	O
2.5million	O
promoted	O
suggested	O
posts	O
on	O
user	O
's	O
news	B-Application
feeds	I-Application
.	O
</s>
<s>
A	O
study	O
of	O
the	O
emotional	O
responses	O
to	O
advertising	O
on	O
Facebook	B-Application
found	O
that	O
Business	O
Pages	O
found	O
the	O
highest	O
appeal	O
to	O
users	O
because	O
they	O
were	O
only	O
recommended	O
when	O
liked	O
by	O
the	O
user	O
or	O
the	O
user	O
's	O
friends	O
.	O
</s>
<s>
However	O
,	O
a	O
change	O
in	O
algorithm	O
announced	O
on	O
April	O
10	O
,	O
2014	O
,	O
said	O
that	O
Business	O
Pages	O
were	O
receiving	O
a	O
reduced	O
reach	O
after	O
engaging	O
in	O
“	O
click	O
bait	O
”	O
tactics	O
(	O
fooling	O
users	O
to	O
click	O
links	O
to	O
things	O
other	O
than	O
what	O
discretely	O
said	O
on	O
Facebook	B-Application
)	O
.	O
</s>
<s>
The	O
quantity	O
of	O
engagement	O
on	O
Facebook	B-Application
posts	I-Application
are	O
measured	O
,	O
relaying	O
important	O
information	O
about	O
the	O
user	O
audience	O
and	O
their	O
actions	O
online	O
.	O
</s>
<s>
He	O
calls	O
to	O
web	O
browsing	O
on	O
Amazon	B-Application
,	O
where	O
products	O
he	O
browsed	O
through	O
briefly	O
reappear	O
on	O
other	O
news	B-Application
feeds	I-Application
,	O
including	O
his	O
Instagram	O
feed	O
.	O
</s>
<s>
On	O
April	O
10	O
,	O
2018	O
,	O
Mark	O
Zuckerberg	O
testified	O
before	O
Congress	O
on	O
questions	O
defining	O
Facebook	B-Application
's	O
policy	O
,	O
information	O
handling	O
and	O
data	O
design	O
systems	O
.	O
</s>
<s>
Congress	O
placed	O
emphasis	O
on	O
addressing	O
Facebook	B-Application
's	O
tracking	O
of	O
user	O
data	O
online	O
,	O
skeptical	O
that	O
the	O
social	O
networking	O
site	O
can	O
regulate	O
itself	O
.	O
</s>
<s>
Through	O
data	B-Application
mining	I-Application
,	O
companies	O
are	O
able	O
to	O
improve	O
their	O
sales	O
and	O
profitability	O
.	O
</s>
<s>
Facebook	B-Application
has	O
been	O
especially	O
important	O
to	O
marketing	O
strategists	O
.	O
</s>
<s>
Facebook	B-Application
's	O
controversial	O
"	O
Social	O
Ads	O
"	O
program	O
gives	O
companies	O
access	O
to	O
the	O
millions	O
of	O
profiles	O
in	O
order	O
to	O
tailor	O
their	O
ads	O
to	O
a	O
Facebook	B-Application
user	O
's	O
own	O
interests	O
and	O
hobbies	O
.	O
</s>
<s>
However	O
,	O
rather	O
than	O
sell	O
actual	O
user	O
information	O
,	O
Facebook	B-Application
sells	O
tracked	O
"	O
social	O
actions	O
"	O
.	O
</s>
<s>
That	O
is	O
,	O
they	O
track	O
the	O
websites	O
a	O
user	O
uses	O
outside	O
of	O
Facebook	B-Application
through	O
a	O
program	O
called	O
Facebook	B-Application
Beacon	O
.	O
</s>
<s>
For	O
example	O
,	O
sites	O
such	O
as	O
Bebo	O
,	O
Facebook	B-Application
,	O
and	O
MySpace	B-Application
will	O
not	O
send	O
notifications	O
to	O
users	O
when	O
they	O
are	O
removed	O
from	O
a	O
person	O
's	O
friends	O
list	O
.	O
</s>
<s>
Many	O
social	O
networking	O
services	O
,	O
such	O
as	O
Facebook	B-Application
,	O
provide	O
the	O
user	O
with	O
a	O
choice	O
of	O
who	O
can	O
view	O
their	O
profile	O
.	O
</s>
<s>
Parents	O
who	O
want	O
to	O
access	O
their	O
child	O
's	O
MySpace	B-Application
or	O
Facebook	B-Application
account	O
have	O
become	O
a	O
big	O
problem	O
for	O
teenagers	O
who	O
do	O
not	O
want	O
their	O
profile	O
seen	O
by	O
their	O
parents	O
.	O
</s>
<s>
To	O
edit	O
information	O
on	O
a	O
certain	O
social	O
networking	O
service	O
account	O
,	O
the	O
social	O
networking	O
sites	O
require	O
you	O
to	O
log	B-General_Concept
in	I-General_Concept
or	O
provide	O
a	O
password	O
.	O
</s>
<s>
In	O
September	O
2013	O
,	O
a	O
woman	O
got	O
fired	O
over	O
Facebook	B-Application
because	O
she	O
posted	O
disruptive	O
information	O
about	O
her	O
company	O
stating	O
that	O
military	O
patrons	O
should	O
not	O
receive	O
special	O
treatment	O
or	O
discounts	O
.	O
</s>
<s>
In	O
March	O
2012	O
,	O
Facebook	B-Application
decided	O
they	O
might	O
take	O
legal	O
action	O
against	O
employers	O
for	O
gaining	O
access	O
to	O
employee	O
's	O
profiles	O
through	O
their	O
passwords	O
.	O
</s>
<s>
According	O
to	O
Facebook	B-Application
Chief	O
Privacy	O
Officer	O
for	O
policy	O
,	O
Erin	O
Egan	O
,	O
the	O
company	O
has	O
worked	O
hard	O
to	O
give	O
its	O
users	O
the	O
tools	O
to	O
control	O
who	O
sees	O
their	O
information	O
.	O
</s>
<s>
According	O
to	O
the	O
network	O
's	O
Statement	O
of	O
Rights	O
and	O
Responsibilities	O
,	O
sharing	O
or	O
soliciting	O
a	O
password	O
is	O
a	O
violation	O
to	O
Facebook	B-Application
.	I-Application
</s>
<s>
Employees	O
may	O
still	O
give	O
their	O
password	O
information	O
out	O
to	O
get	O
a	O
job	O
,	O
but	O
according	O
to	O
Erin	O
Egan	O
,	O
Facebook	B-Application
will	O
continue	O
to	O
do	O
their	O
part	O
to	O
protect	O
the	O
privacy	O
and	O
security	O
of	O
their	O
users	O
.	O
</s>
<s>
In	O
October	O
2006	O
,	O
a	O
fake	O
MySpace	B-Application
profile	O
created	O
in	O
the	O
name	O
of	O
Josh	O
Evans	O
by	O
Lori	O
Janine	O
Drew	O
led	O
to	O
the	O
suicide	O
of	O
Megan	O
Meier	O
.	O
</s>
<s>
He	O
had	O
posted	O
a	O
fake	O
page	O
on	O
Facebook	B-Application
purporting	O
to	O
be	O
that	O
of	O
a	O
former	O
school	O
friend	O
Matthew	O
Firsht	O
,	O
with	O
whom	O
he	O
had	O
fallen	O
out	O
in	O
2000	O
.	O
</s>
<s>
In	O
September	O
2008	O
,	O
the	O
profile	O
of	O
Australian	O
Facebook	B-Application
user	O
Elmo	O
Keep	O
was	O
banned	O
by	O
the	O
site	O
's	O
administrators	O
on	O
the	O
grounds	O
that	O
it	O
violated	O
the	O
site	O
's	O
terms	O
of	O
use	O
.	O
</s>
<s>
Keep	O
is	O
one	O
of	O
several	O
users	O
of	O
Facebook	B-Application
who	O
were	O
banned	O
from	O
the	O
site	O
on	O
the	O
presumption	O
that	O
their	O
names	O
are	O
n't	O
real	O
,	O
as	O
they	O
bear	O
resemblance	O
to	O
the	O
names	O
of	O
characters	O
like	O
Sesame	B-Application
Street	I-Application
's	O
Elmo	O
.	O
</s>
<s>
One	O
of	O
the	O
approaches	O
to	O
detect	O
rumors	O
(	O
or	O
misinformation	O
)	O
is	O
to	O
compare	O
the	O
spread	O
of	O
topic	O
over	O
social	O
network	O
(	O
say	O
Twitter	B-Application
)	O
with	O
those	O
spread	O
by	O
reliable	O
and	O
authorized	O
news	O
agencies	O
.	O
</s>
<s>
Citizens	O
and	O
governments	O
have	O
been	O
concerned	O
with	O
the	O
misuse	B-Architecture
of	I-Architecture
social	I-Architecture
networking	I-Architecture
services	I-Architecture
by	O
children	O
and	O
teenagers	O
,	O
in	O
particular	O
in	O
relation	O
to	O
online	O
sexual	O
predators	O
.	O
</s>
<s>
Social	O
networking	O
sites	O
such	O
as	O
Facebook	B-Application
are	O
occasionally	O
used	O
to	O
emotionally	O
abuse	O
,	O
harass	O
or	O
bully	O
individuals	O
,	O
either	O
by	O
posting	O
defamatory	O
statements	O
or	O
by	O
forwarding	O
private	O
digital	O
photos	O
or	O
videos	O
that	O
can	O
have	O
an	O
adverse	O
impact	O
on	O
the	O
individuals	O
depicted	O
in	O
the	O
videos	O
.	O
</s>
<s>
The	O
reason	O
for	O
the	O
perceived	O
lack	O
of	O
consequences	O
is	O
that	O
they	O
believe	O
they	O
have	O
created	O
an	O
identity	O
in	O
which	O
they	O
can	O
not	O
be	O
seen	O
as	O
a	O
real	O
life	O
human	O
and	O
more	O
of	O
a	O
persona/avatar	O
that	O
they	O
have	O
created	O
,	O
which	O
leads	O
them	O
to	O
feel	O
that	O
they	O
will	O
not	O
face	O
the	O
consequences	O
of	O
being	O
an	O
online	O
troll	O
.	O
</s>
<s>
He	O
left	O
Twitter	B-Application
due	O
to	O
"	O
too	O
much	O
aggression	O
and	O
unkindness	O
around	O
"	O
emphasizing	O
how	O
trolls	O
can	O
negatively	O
impact	O
people	O
's	O
lives	O
(	O
Cohen	O
,	O
2014	O
)	O
.	O
</s>
<s>
As	O
trolling	O
can	O
lead	O
to	O
celebrities	O
deleting	O
their	O
social	O
networks	O
such	O
as	O
Twitter	B-Application
,	O
it	O
emphasizes	O
how	O
trolls	O
can	O
win	O
,	O
and	O
can	O
ruin	O
people	O
's	O
lives	O
.	O
</s>
<s>
The	O
teenager	O
expresses	O
frustration	O
towards	O
networking	O
sites	O
like	O
MySpace	B-Application
because	O
it	O
causes	O
drama	O
and	O
too	O
much	O
emotional	O
stress	O
.	O
</s>
<s>
In	O
a	O
Newsweek	O
article	O
,	O
Johannah	O
Cornblatt	O
explains	O
"	O
Social-networking	O
sites	O
like	O
Facebook	B-Application
and	O
MySpace	B-Application
may	O
provide	O
people	O
with	O
a	O
false	O
sense	O
of	O
connection	O
that	O
ultimately	O
increases	O
loneliness	O
in	O
people	O
who	O
feel	O
alone.	O
"	O
</s>
<s>
On	O
June	O
15	O
,	O
2010	O
,	O
the	O
United	O
States	O
Patent	O
and	O
Trademark	O
Office	O
awarded	O
Amazon.com	B-Application
a	O
patent	O
for	O
a	O
"	O
Social	O
Networking	O
System	O
"	O
based	O
on	O
its	O
ownership	O
of	O
PlanetAll	O
.	O
</s>
<s>
The	O
patent	O
has	O
garnered	O
attention	O
due	O
to	O
its	O
similarity	O
to	O
the	O
popular	O
social	O
networking	O
site	O
Facebook	B-Application
.	I-Application
</s>
<s>
A	O
2013	O
study	O
in	O
the	O
journal	O
Cyberpsychology	O
,	O
Behavior	O
,	O
and	O
Social	O
Networking	O
investigated	O
this	O
phenomenon	O
from	O
the	O
perspective	O
of	O
Facebook	B-Application
users	I-Application
.	O
</s>
<s>
Facebook	B-Application
quitters	O
were	O
found	O
to	O
be	O
more	O
concerned	O
about	O
privacy	O
,	O
more	O
addicted	O
to	O
the	O
Internet	O
and	O
more	O
conscientious	O
.	O
</s>
<s>
Sites	O
such	O
as	O
Facebook	B-Application
are	O
becoming	O
increasingly	O
popular	O
tools	O
for	O
methods	O
of	O
ending	O
relationships	O
and	O
friendships	O
,	O
proving	O
that	O
although	O
new	O
media	O
is	O
being	O
used	O
as	O
a	O
tool	O
for	O
connecting	O
with	O
individuals	O
,	O
it	O
is	O
now	O
creating	O
new	O
problems	O
associated	O
with	O
disconnecting	O
from	O
others	O
.	O
</s>
<s>
In	O
a	O
2010	O
study	O
conducted	O
online	O
,	O
nearly	O
one-quarter	O
of	O
the	O
1,000	O
individuals	O
surveyed	O
found	O
out	O
that	O
their	O
own	O
relationship	O
was	O
over	O
by	O
seeing	O
it	O
on	O
Facebook	B-Application
.	I-Application
</s>
<s>
Such	O
face-work	O
can	O
also	O
be	O
seen	O
in	O
new	O
technologies	O
,	O
especially	O
social	O
media	O
websites	O
such	O
as	O
Facebook	B-Application
.	I-Application
</s>
<s>
Even	O
though	O
you	O
may	O
be	O
absolutely	O
heartbroken	O
within	O
,	O
Facebook	B-Application
allows	O
you	O
to	O
hide	O
your	O
true	O
feelings	O
from	O
the	O
online	O
world	O
,	O
and	O
from	O
your	O
ex	O
,	O
by	O
manipulating	O
your	O
profile	O
.	O
</s>
<s>
Nearly	O
35%	O
of	O
respondents	O
in	O
a	O
study	O
admitted	O
to	O
using	O
their	O
Facebook	B-Application
status	O
to	O
make	O
someone	O
think	O
that	O
they	O
had	O
plans	O
,	O
even	O
if	O
they	O
did	O
not	O
.	O
</s>
<s>
In	O
a	O
2012	O
study	O
,	O
48%	O
of	O
the	O
participants	O
stated	O
they	O
had	O
remained	O
friends	O
with	O
their	O
ex	O
on	O
Facebook	B-Application
,	O
and	O
of	O
these	O
people	O
,	O
88%	O
stated	O
they	O
'	O
creeped	O
 '	O
their	O
ex	O
after	O
the	O
breakup	O
.	O
</s>
<s>
However	O
,	O
nowadays	O
we	O
see	O
that	O
Facebook	B-Application
friends	O
,	O
for	O
instance	O
,	O
encourage	O
negative	O
feelings	O
,	O
such	O
as	O
envy	O
,	O
revenge	O
and	O
sadness	O
.	O
</s>
<s>
found	O
that	O
Facebook	B-Application
users	I-Application
know	O
only	O
a	O
bit	O
more	O
than	O
two	O
thirds	O
of	O
their	O
"	O
friends	O
"	O
on	O
the	O
platform	O
,	O
meaning	O
that	O
they	O
did	O
not	O
know	O
one-third	O
of	O
the	O
individuals	O
in	O
their	O
friend-lists	O
.	O
</s>
