<s>
Cortana	B-Application
is	O
a	O
virtual	B-Protocol
assistant	I-Protocol
developed	O
by	O
Microsoft	O
,	O
that	O
uses	O
the	O
Bing	B-Application
search	I-Application
engine	I-Application
to	O
perform	O
tasks	O
such	O
as	O
setting	O
reminders	O
and	O
answering	B-Algorithm
questions	I-Algorithm
for	O
the	O
user	O
.	O
</s>
<s>
Cortana	B-Application
is	O
currently	O
available	O
in	O
English	O
,	O
Portuguese	O
,	O
French	O
,	O
German	O
,	O
Italian	O
,	O
Spanish	O
,	O
Chinese	O
,	O
and	O
Japanese	O
language	O
editions	O
,	O
depending	O
on	O
the	O
software	O
platform	O
and	O
region	O
in	O
which	O
it	O
is	O
used	O
.	O
</s>
<s>
Microsoft	O
began	O
reducing	O
the	O
prevalence	O
of	O
Cortana	B-Application
and	O
converting	O
it	O
from	O
an	O
assistant	O
into	O
different	O
software	O
integrations	O
in	O
2019	O
.	O
</s>
<s>
It	O
was	O
split	O
from	O
the	O
Windows	B-Operating_System
10	I-Operating_System
search	O
bar	O
in	O
April	O
2019	O
.	O
</s>
<s>
In	O
January	O
2020	O
,	O
the	O
Cortana	B-Application
mobile	O
app	O
was	O
removed	O
from	O
certain	O
markets	O
,	O
and	O
on	O
March	O
31	O
,	O
2021	O
,	O
the	O
Cortana	B-Application
mobile	O
app	O
was	O
shut	O
down	O
globally	O
.	O
</s>
<s>
Cortana	B-Application
was	O
demonstrated	O
for	O
the	O
first	O
time	O
at	O
the	O
Microsoft	O
Build	O
developer	B-Application
conference	O
in	O
San	O
Francisco	O
in	O
April	O
2014	O
.	O
</s>
<s>
It	O
was	O
launched	O
as	O
a	O
key	O
ingredient	O
of	O
Microsoft	O
's	O
planned	O
"	O
makeover	O
"	O
of	O
future	O
operating	B-General_Concept
systems	I-General_Concept
for	O
Windows	O
Phone	O
and	O
Windows	O
.	O
</s>
<s>
It	O
is	O
named	O
after	O
Cortana	B-Application
,	O
a	O
synthetic	O
intelligence	O
character	O
in	O
Microsoft	O
's	O
Halo	O
video	O
game	O
franchise	O
originating	O
in	O
Bungie	O
folklore	O
,	O
with	O
Jen	O
Taylor	O
,	O
the	O
character	O
's	O
voice	O
actress	O
,	O
returning	O
to	O
voice	O
the	O
personal	O
assistant	O
's	O
US-specific	O
version	O
.	O
</s>
<s>
The	O
development	O
of	O
Cortana	B-Application
started	O
in	O
2009	O
in	O
the	O
Microsoft	O
Speech	O
products	O
team	O
with	O
general	O
manager	O
Zig	O
Serafin	O
and	O
Chief	O
Scientist	O
Larry	O
Heck	O
.	O
</s>
<s>
Heck	O
and	O
Serafin	O
established	O
the	O
vision	O
,	O
mission	O
,	O
and	O
long-range	O
plan	O
for	O
Microsoft	O
's	O
digital	B-Protocol
personal	I-Protocol
assistant	I-Protocol
and	O
they	O
built	O
a	O
team	O
with	O
the	O
expertise	O
to	O
create	O
the	O
initial	O
prototypes	O
for	O
Cortana	B-Application
.	O
</s>
<s>
Some	O
of	O
the	O
key	O
researchers	O
in	O
these	O
early	O
efforts	O
included	O
Microsoft	O
Research	O
researchers	O
Dilek	O
Hakkani-Tür	O
,	O
Gokhan	O
Tur	O
,	O
Andreas	O
Stolcke	O
,	O
and	O
Malcolm	O
Slaney	O
,	O
research	O
software	B-Application
developer	I-Application
Madhu	O
Chinthakunta	O
,	O
and	O
user	O
experience	O
designer	O
Lisa	O
Stifelman	O
.	O
</s>
<s>
To	O
develop	O
the	O
Cortana	B-Application
digital	O
assistant	O
,	O
the	O
team	O
interviewed	O
human	O
personal	O
assistants	O
.	O
</s>
<s>
The	O
interviews	O
inspired	O
a	O
number	O
of	O
unique	O
features	O
in	O
Cortana	B-Application
,	O
including	O
the	O
assistant	O
's	O
"	O
notebook	O
"	O
feature	O
.	O
</s>
<s>
Originally	O
,	O
Cortana	B-Application
was	O
meant	O
to	O
be	O
only	O
a	O
codename	B-General_Concept
,	O
but	O
a	O
petition	O
on	O
Windows	O
Phone	O
's	O
UserVoice	B-Application
site	O
proved	O
to	O
be	O
popular	O
and	O
made	O
the	O
codename	B-General_Concept
official	O
.	O
</s>
<s>
In	O
January	O
2015	O
,	O
Microsoft	O
announced	O
the	O
availability	O
of	O
Cortana	B-Application
for	O
Windows	B-Operating_System
10	I-Operating_System
desktops	O
and	O
mobile	O
devices	O
as	O
part	O
of	O
merging	O
Windows	O
Phone	O
into	O
the	O
operating	B-General_Concept
system	I-General_Concept
at	O
large	O
.	O
</s>
<s>
On	O
May	O
26	O
,	O
2015	O
,	O
Microsoft	O
announced	O
that	O
Cortana	B-Application
would	O
also	O
be	O
available	O
on	O
other	O
mobile	O
platforms	O
.	O
</s>
<s>
An	O
Android	B-Application
release	O
was	O
set	O
for	O
July	O
2015	O
,	O
but	O
the	O
Android	B-Application
APK	I-Application
file	O
containing	O
Cortana	B-Application
was	O
leaked	O
ahead	O
of	O
its	O
release	O
.	O
</s>
<s>
It	O
was	O
officially	O
released	O
,	O
along	O
with	O
an	O
iOS	B-Application
version	O
,	O
in	O
December	O
2015	O
.	O
</s>
<s>
During	O
E3	O
2015	O
,	O
Microsoft	O
announced	O
that	O
Cortana	B-Application
would	O
come	O
to	O
the	B-Device
Xbox	I-Device
One	I-Device
as	O
part	O
of	O
a	O
universally	O
designed	O
Windows	B-Operating_System
10	I-Operating_System
update	O
for	O
the	O
console	O
.	O
</s>
<s>
In	O
2017	O
,	O
Microsoft	O
partnered	O
with	O
Amazon	O
to	O
integrate	O
Echo	O
and	O
Cortana	B-Application
with	O
each	O
other	O
,	O
allowing	O
users	O
of	O
each	O
smart	O
assistant	O
to	O
summon	O
the	O
other	O
via	O
a	O
command	O
.	O
</s>
<s>
Windows	B-Operating_System
10	I-Operating_System
users	O
can	O
just	O
say	O
"	O
Hey	O
Cortana	B-Application
,	O
open	O
Alexa	B-Application
"	O
and	O
Echo	O
users	O
can	O
say	O
"	O
Alexa	B-Application
,	O
open	O
Cortana	B-Application
"	O
to	O
summon	O
the	O
other	O
assistant	O
.	O
</s>
<s>
In	O
January	O
2019	O
,	O
Microsoft	O
CEO	O
Satya	O
Nadella	O
stated	O
that	O
he	O
no	O
longer	O
sees	O
Cortana	B-Application
as	O
a	O
direct	O
competitor	O
against	O
Alexa	B-Application
and	O
Siri	O
.	O
</s>
<s>
On	O
July	O
24	O
,	O
2020	O
,	O
Cortana	B-Application
was	O
removed	O
from	O
the	O
Xbox	B-Device
dashboard	I-Device
as	O
part	O
of	O
a	O
redesign	O
,	O
then	O
on	O
January	O
31	O
,	O
2021	O
,	O
Microsoft	O
removed	O
the	O
Cortana	B-Application
mobile	O
application	O
in	O
certain	O
markets	O
(	O
including	O
UK	O
,	O
Australia	O
,	O
Germany	O
,	O
Mexico	O
,	O
China	O
,	O
Spain	O
,	O
Canada	O
,	O
and	O
India	O
)	O
.	O
</s>
<s>
On	O
March	O
31	O
,	O
2021	O
,	O
Microsoft	O
shut	O
down	O
the	O
Cortana	B-Application
apps	O
entirely	O
for	O
iOS	B-Application
and	O
Android	B-Application
and	O
removed	O
them	O
from	O
corresponding	O
app	O
stores	O
.	O
</s>
<s>
To	O
access	O
previously	O
recorded	O
content	O
,	O
users	O
have	O
to	O
use	O
Cortana	B-Application
on	O
Windows	B-Operating_System
10	I-Operating_System
or	O
another	O
specialized	O
Microsoft	O
application	O
.	O
</s>
<s>
Microsoft	O
has	O
also	O
reduced	O
emphasis	O
on	O
Cortana	B-Application
in	O
Windows	B-Application
11	I-Application
.	O
</s>
<s>
Cortana	B-Application
is	O
not	O
used	O
during	O
the	O
new	O
device	O
setup	O
process	O
and	O
is	O
n't	O
pinned	O
to	O
the	O
taskbar	O
by	O
default	O
.	O
</s>
<s>
Microsoft	O
has	O
integrated	O
Cortana	B-Application
into	O
numerous	O
products	O
such	O
as	O
Microsoft	B-Application
Edge	I-Application
,	O
the	O
browser	O
bundled	O
with	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
Microsoft	O
's	O
Cortana	B-Application
assistant	O
is	O
deeply	O
integrated	O
into	O
its	O
Edge	B-Application
browser	I-Application
.	O
</s>
<s>
Cortana	B-Application
can	O
find	O
opening	O
hours	O
when	O
on	O
restaurant	O
sites	O
,	O
show	O
retail	O
coupons	O
for	O
websites	O
,	O
or	O
show	O
weather	O
information	O
in	O
the	O
address	O
bar	O
.	O
</s>
<s>
At	O
the	O
Worldwide	O
Partners	O
Conference	O
2015	O
Microsoft	O
demonstrated	O
Cortana	B-Application
integration	O
with	O
products	O
such	O
as	O
GigJam	O
.	O
</s>
<s>
Conversely	O
,	O
Microsoft	O
announced	O
in	O
late	O
April	O
2016	O
that	O
it	O
would	O
block	O
anything	O
other	O
than	O
Bing	B-Application
and	O
Edge	O
from	O
being	O
used	O
to	O
complete	O
Cortana	B-Application
searches	O
,	O
again	O
raising	O
questions	O
of	O
anti-competitive	O
practices	O
by	O
the	O
company	O
.	O
</s>
<s>
Microsoft	O
's	O
"	O
Windows	O
in	O
the	O
car	O
"	O
concept	O
includes	O
Cortana	B-Application
.	O
</s>
<s>
At	O
Microsoft	O
Build	O
2016	O
,	O
Microsoft	O
announced	O
plans	O
to	O
integrate	O
Cortana	B-Application
into	O
Skype	B-Application
(	O
Microsoft	O
's	O
video-conferencing	O
and	O
instant	O
messaging	O
service	O
)	O
as	O
a	O
bot	O
to	O
allow	O
users	O
to	O
order	O
food	O
,	O
book	O
trips	O
,	O
transcribe	O
video	O
messages	O
and	O
make	O
calendar	O
appointments	O
through	O
Cortana	B-Application
in	O
addition	O
to	O
other	O
bots	O
.	O
</s>
<s>
,	O
Cortana	B-Application
can	O
underline	O
certain	O
words	O
and	O
phrases	O
in	O
Skype	B-Application
conversations	O
that	O
relate	O
to	O
contacts	O
and	O
corporations	O
.	O
</s>
<s>
A	O
writer	O
from	O
Engadget	B-Application
has	O
criticised	O
the	O
Cortana	B-Application
integration	O
in	O
Skype	B-Application
for	O
responding	O
only	O
to	O
very	O
specific	O
keywords	O
,	O
feeling	O
as	O
if	O
she	O
was	O
"	O
chatting	O
with	O
a	O
search	B-Application
engine	I-Application
"	O
due	O
to	O
the	O
impersonal	O
way	O
the	O
bots	O
replied	O
to	O
certain	O
words	O
such	O
as	O
"	O
Hello	O
"	O
causing	O
the	O
Bing	B-Application
Music	I-Application
bot	O
to	O
bring	O
up	O
Adele	O
's	O
song	O
of	O
that	O
name	O
.	O
</s>
<s>
Microsoft	O
also	O
announced	O
at	O
Microsoft	O
Build	O
2016	O
that	O
Cortana	B-Application
would	O
be	O
able	O
to	O
cloud-synchronise	O
notifications	O
between	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
's	O
and	O
Windows	B-Operating_System
10	I-Operating_System
's	O
Action	O
Center	O
,	O
as	O
well	O
as	O
notifications	O
from	O
Android	B-Application
devices	O
.	O
</s>
<s>
In	O
December	O
2016	O
,	O
Microsoft	O
announced	O
the	O
preview	O
of	O
Calendar.help	O
,	O
a	O
service	O
that	O
enabled	O
people	O
to	O
delegate	O
the	O
scheduling	O
of	O
meetings	O
to	O
Cortana	B-Application
.	O
</s>
<s>
Users	O
interact	O
with	O
Cortana	B-Application
by	O
including	O
her	O
in	O
email	O
conversations	O
.	O
</s>
<s>
Cortana	B-Application
would	O
then	O
check	O
people	O
's	O
availability	O
in	O
Outlook	O
Calendar	O
or	O
Google	O
Calendar	O
,	O
and	O
work	O
with	O
others	O
Cc	O
'd	O
on	O
the	O
email	O
to	O
schedule	O
the	O
meeting	O
.	O
</s>
<s>
In	O
May	O
2017	O
,	O
Microsoft	O
in	O
collaboration	O
with	O
Harman	O
Kardon	O
announced	O
INVOKE	O
,	O
a	O
voice-activated	O
speaker	O
featuring	O
Cortana	B-Application
.	O
</s>
<s>
The	O
premium	O
speaker	O
has	O
a	O
cylindrical	O
design	O
and	O
offers	O
360	O
degree	O
sound	O
,	O
the	O
ability	O
to	O
make	O
and	O
receive	O
calls	O
with	O
Skype	B-Application
,	O
and	O
all	O
of	O
the	O
other	O
features	O
currently	O
available	O
with	O
Cortana	B-Application
.	O
</s>
<s>
Cortana	B-Application
can	O
set	O
reminders	O
,	O
recognize	O
natural	O
voice	O
without	O
the	O
requirement	O
for	O
keyboard	O
input	O
,	O
and	O
answer	O
questions	O
using	O
information	O
from	O
the	O
Bing	B-Application
search	I-Application
engine	I-Application
(	O
For	O
example	O
,	O
current	O
weather	O
and	O
traffic	O
conditions	O
,	O
sports	O
scores	O
,	O
biographies	O
)	O
.	O
</s>
<s>
Searches	O
using	O
Windows	B-Operating_System
10	I-Operating_System
are	O
made	O
only	O
with	O
the	O
Microsoft	B-Application
Bing	I-Application
search	B-Application
engine	I-Application
,	O
and	O
all	O
links	O
will	O
open	O
with	O
Microsoft	B-Application
Edge	I-Application
,	O
except	O
when	O
a	O
screen	O
reader	O
such	O
as	O
Narrator	O
is	O
being	O
used	O
,	O
where	O
the	O
links	O
will	O
open	O
in	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
Windows	B-Protocol
Phone	I-Protocol
8.1	I-Protocol
'	O
s	O
universal	O
Bing	B-Application
SmartSearch	O
features	O
are	O
incorporated	O
into	O
Cortana	B-Application
,	O
which	O
replaces	O
the	O
previous	O
Bing	B-Application
Search	I-Application
app	O
,	O
which	O
was	O
activated	O
when	O
a	O
user	O
presses	O
the	O
"	O
Search	O
"	O
button	O
on	O
their	O
device	O
.	O
</s>
<s>
Cortana	B-Application
includes	O
a	B-Application
music	I-Application
recognition	I-Application
service	O
.	O
</s>
<s>
Cortana	B-Application
can	O
simulate	O
rolling	O
dice	O
and	O
flipping	O
a	O
coin	O
.	O
</s>
<s>
Cortana	B-Application
's	O
"	O
Concert	O
Watch	O
"	O
monitors	O
Bing	B-Application
searches	I-Application
to	O
determine	O
the	O
bands	O
or	O
musicians	O
that	O
interest	O
the	O
user	O
.	O
</s>
<s>
It	O
integrates	O
with	O
the	O
Microsoft	B-Device
Band	I-Device
watch	O
band	O
for	O
Windows	O
Phone	O
devices	O
if	O
connected	O
via	O
Bluetooth	O
,	O
it	O
can	O
make	O
reminders	O
and	O
phone	O
notifications	O
.	O
</s>
<s>
Since	O
the	O
Lumia	O
Denim	O
mobile	O
phone	O
series	O
,	O
launched	O
in	O
October	O
2014	O
,	O
active	O
listening	O
was	O
added	O
to	O
Cortana	B-Application
enabling	O
it	O
to	O
be	O
invoked	O
with	O
the	O
phrase	O
:	O
"	O
Hey	O
Cortana	B-Application
"	O
.	O
</s>
<s>
Cortana	B-Application
integrates	O
with	O
services	O
such	O
as	O
Foursquare	B-Application
to	O
provide	O
restaurant	O
and	O
local	O
attraction	O
recommendations	O
and	O
LIFX	B-Application
to	O
control	O
smart	O
light	O
bulbs	O
.	O
</s>
<s>
Cortana	B-Application
stores	O
personal	O
information	O
such	O
as	O
interests	O
,	O
location	O
data	O
,	O
reminders	O
,	O
and	O
contacts	O
in	O
the	O
"	O
Notebook	O
"	O
.	O
</s>
<s>
Cortana	B-Application
has	O
a	O
built-in	O
system	O
of	O
reminders	O
,	O
which	O
can	O
,	O
for	O
example	O
,	O
be	O
associated	O
with	O
a	O
specific	O
contact	O
;	O
it	O
will	O
then	O
remind	O
the	O
user	O
when	O
in	O
communication	O
with	O
that	O
contact	O
,	O
possibly	O
at	O
a	O
specific	O
time	O
or	O
when	O
the	O
phone	O
is	O
in	O
a	O
specific	O
location	O
.	O
</s>
<s>
Originally	O
,	O
these	O
reminders	O
were	O
specific	O
to	O
the	O
device	O
Cortana	B-Application
was	O
installed	O
on	O
but	O
starting	O
on	O
February	O
12	O
,	O
2015	O
,	O
Cortana	B-Application
synchronizes	O
reminders	O
across	O
devices	O
.	O
</s>
<s>
Most	O
versions	O
of	O
Cortana	B-Application
take	O
the	O
form	O
of	O
two	O
nested	O
circles	O
,	O
which	O
are	O
animated	O
to	O
indicate	O
activities	O
such	O
as	O
searching	O
or	O
talking	O
.	O
</s>
<s>
Cortana	B-Application
on	O
Windows	O
mobile	O
and	O
Android	B-Application
is	O
capable	O
of	O
capturing	O
device	O
notifications	O
and	O
sending	O
them	O
to	O
a	O
Windows	B-Operating_System
10	I-Operating_System
device	O
.	O
</s>
<s>
This	O
allows	O
a	O
computer	O
user	O
to	O
view	O
notifications	O
from	O
their	O
phone	O
in	O
the	O
Windows	B-Operating_System
10	I-Operating_System
Action	O
Center	O
.	O
</s>
<s>
Cortana	B-Application
has	O
a	O
"	O
do-not-disturb	O
"	O
mode	O
in	O
which	O
users	O
can	O
specify	O
"	O
quiet	O
hours	O
"	O
,	O
as	O
was	O
available	O
for	O
Windows	B-Protocol
Phone	I-Protocol
8.1	I-Protocol
users	O
.	O
</s>
<s>
Users	O
can	O
change	O
the	O
settings	O
so	O
that	O
Cortana	B-Application
calls	O
users	O
by	O
their	O
names	O
or	O
nicknames	O
.	O
</s>
<s>
When	O
asked	O
for	O
a	O
prediction	O
,	O
Cortana	B-Application
correctly	O
predicted	O
the	O
winners	O
of	O
the	O
first	O
14	O
matches	O
of	O
the	O
football	O
2014	O
FIFA	O
World	O
Cup	O
knockout	O
stage	O
,	O
including	O
the	O
semi-finals	O
,	O
before	O
it	O
incorrectly	O
picked	O
Brazil	O
over	O
the	O
Netherlands	O
in	O
the	O
third	O
place	O
play-off	O
match	O
;	O
this	O
streak	O
topped	O
Paul	O
the	O
Octopus	O
who	O
correctly	O
predicted	O
all	O
7	O
of	O
Germany	O
's	O
2010	B-Application
FIFA	I-Application
World	I-Application
Cup	I-Application
matches	O
as	O
well	O
as	O
the	O
Final	O
.	O
</s>
<s>
Cortana	B-Application
can	O
forecast	O
results	O
in	O
various	O
other	O
sports	O
such	O
as	O
the	O
NBA	O
,	O
the	O
NFL	O
,	O
the	O
Super	O
Bowl	O
,	O
the	O
ICC	O
Cricket	O
World	O
Cup	O
and	O
various	O
European	O
football	O
leagues	O
.	O
</s>
<s>
Cortana	B-Application
can	O
solve	O
mathematical	O
equations	O
,	O
convert	O
units	O
of	O
measurement	O
,	O
and	O
determine	O
the	O
exchange	O
rates	O
between	O
currencies	O
including	O
Bitcoin	B-Protocol
.	O
</s>
<s>
Cortana	B-Application
can	O
integrate	O
with	O
third-party	O
apps	O
on	O
Windows	B-Operating_System
10	I-Operating_System
or	O
directly	O
through	O
the	O
service	O
.	O
</s>
<s>
Starting	O
in	O
late	O
2016	O
,	O
Cortana	B-Application
integrated	O
with	O
Microsoft	O
's	O
Wunderlist	B-Operating_System
service	O
,	O
allowing	O
Cortana	B-Application
to	O
add	O
and	O
act	O
on	O
reminders	O
.	O
</s>
<s>
At	O
Microsoft	O
's	O
Build	O
2017	O
conference	O
,	O
Microsoft	O
announced	O
that	O
Cortana	B-Application
would	O
get	O
a	O
consumer	O
third-party	O
skills	O
capability	O
,	O
similar	O
to	O
that	O
in	O
Amazon	B-Application
Alexa	I-Application
.	O
</s>
<s>
On	O
February	O
16	O
,	O
2018	O
,	O
Microsoft	O
announced	O
connected	O
home	O
skills	O
were	O
added	O
for	O
ecobee	B-Application
,	O
Honeywell	O
Lyric	O
,	O
Honeywell	O
Total	O
Connect	O
Comfort	O
,	O
LIFX	B-Application
,	O
TP-Link	B-Application
Kasa	O
,	O
and	O
Geeni	O
,	O
as	O
well	O
as	O
support	O
for	O
IFTTT	B-Application
.	O
</s>
<s>
Cortana	B-Application
indexes	O
and	O
stores	O
user	O
information	O
.	O
</s>
<s>
Cortana	B-Application
can	O
be	O
disabled	O
;	O
this	O
will	O
cause	O
Windows	O
search	O
to	O
search	O
Bing	B-Application
as	O
well	O
as	O
the	O
local	O
computer	O
,	O
but	O
that	O
can	O
also	O
be	O
disabled	O
.	O
</s>
<s>
Turning	O
Cortana	B-Application
off	O
does	O
not	O
in	O
itself	O
delete	O
user	O
data	O
stored	O
on	O
Microsoft	O
's	O
servers	O
,	O
but	O
it	O
can	O
be	O
deleted	O
by	O
user	O
action	O
.	O
</s>
<s>
Microsoft	O
has	O
further	O
been	O
criticized	O
for	O
requests	O
to	O
Bing	B-Application
's	O
website	O
for	O
a	O
file	O
called	O
"	O
threshold.appcache	O
"	O
,	O
which	O
contains	O
Cortana	B-Application
's	O
information	O
through	O
searches	O
made	O
through	O
the	O
Start	O
Menu	O
even	O
when	O
Cortana	B-Application
is	O
disabled	O
on	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
,	O
Cortana	B-Application
was	O
disabled	O
for	O
users	O
aged	O
under	O
13	O
years	O
.	O
</s>
<s>
The	O
British	O
version	O
of	O
Cortana	B-Application
speaks	O
with	O
a	O
British	O
accent	O
and	O
uses	O
British	O
idioms	O
,	O
while	O
the	O
Chinese	O
version	O
,	O
known	O
as	O
Xiao	O
Na	O
,	O
speaks	O
Mandarin	O
Chinese	O
and	O
has	O
an	O
icon	O
featuring	O
a	O
face	O
and	O
two	O
eyes	O
,	O
which	O
is	O
not	O
used	O
in	O
other	O
regions	O
.	O
</s>
<s>
the	O
English	O
version	O
of	O
Cortana	B-Application
on	O
Windows	O
devices	O
is	O
available	O
to	O
all	O
users	O
in	O
the	O
United	O
States	O
(	O
American	O
English	O
)	O
,	O
Canada	O
(	O
French/English	O
)	O
,	O
Australia	O
,	O
India	O
,	O
and	O
the	O
United	O
Kingdom	O
(	O
British	O
English	O
)	O
.	O
</s>
<s>
Other	O
language	O
versions	O
of	O
Cortana	B-Application
are	O
available	O
in	O
France	O
(	O
French	O
)	O
,	O
China	O
(	O
Simplified	O
Chinese	O
)	O
,	O
Japan	O
(	O
Japanese	O
)	O
,	O
Germany	O
(	O
German	O
)	O
,	O
Italy	O
(	O
Italian	O
)	O
,	O
Brazil	O
(	O
Portuguese	O
)	O
,	O
Mexico	O
,	O
and	O
Spain	O
(	O
Spanish	O
)	O
.	O
</s>
<s>
Cortana	B-Application
listens	O
generally	O
to	O
the	O
hot	O
word	O
"	O
Hey	O
Cortana	B-Application
"	O
in	O
addition	O
to	O
certain	O
languages	O
 '	O
customized	O
versions	O
,	O
such	O
as	O
"	O
Hola	O
Cortana	B-Application
"	O
in	O
Spanish	O
.	O
</s>
<s>
The	O
English	O
United	O
Kingdom	O
localised	O
version	O
of	O
Cortana	B-Application
is	O
voiced	O
by	O
voice	O
actress	O
Ginnie	O
Watson	O
,	O
while	O
the	O
United	O
States	O
localised	O
version	O
is	O
voiced	O
by	O
Jen	O
Taylor	O
.	O
</s>
<s>
Taylor	O
is	O
the	O
voice	O
actress	O
who	O
voices	O
Cortana	B-Application
,	O
the	O
namesake	O
of	O
the	O
virtual	B-Protocol
assistant	I-Protocol
,	O
in	O
the	O
Halo	O
video	O
game	O
series	O
.	O
</s>
<s>
The	O
following	O
table	O
identifies	O
the	O
localized	O
version	O
of	O
Cortana	B-Application
currently	O
available	O
.	O
</s>
<s>
Except	O
where	O
indicated	O
,	O
this	O
applies	O
to	O
both	O
Windows	O
Mobile	O
and	O
Windows	B-Operating_System
10	I-Operating_System
versions	O
of	O
the	O
assistant	O
.	O
</s>
<s>
The	B-Language
natural	I-Language
language	I-Language
processing	I-Language
capabilities	O
of	O
Cortana	B-Application
are	O
derived	O
from	O
Tellme	O
Networks	O
(	O
bought	O
by	O
Microsoft	O
in	O
2007	O
)	O
and	O
are	O
coupled	O
with	O
a	O
Semantic	O
search	O
database	O
called	O
Satori	O
.	O
</s>
<s>
While	O
many	O
of	O
Cortana	B-Application
's	O
U.S.	O
English	O
responses	O
are	O
voiced	O
by	O
Jen	O
Taylor	O
,	O
organic	O
responses	O
require	O
the	O
use	O
of	O
a	O
text-to-speech	O
engine	O
.	O
</s>
<s>
Microsoft	O
Eva	O
is	O
the	O
name	O
of	O
the	O
text-to-speech	O
voice	O
for	O
organic	O
response	O
in	O
Cortana	B-Application
's	O
U.S.	O
English	O
.	O
</s>
<s>
Cortana	B-Application
updates	O
were	O
delivered	O
independently	O
of	O
those	O
to	O
the	O
main	O
Windows	O
Phone	O
OS	O
,	O
allowing	O
Microsoft	O
to	O
provide	O
new	O
features	O
at	O
a	O
faster	O
pace	O
.	O
</s>
<s>
Not	O
all	O
Cortana-related	O
features	O
could	O
be	O
updated	O
in	O
this	O
manner	O
,	O
as	O
some	O
features	O
such	O
as	O
"	O
Hey	O
Cortana	B-Application
"	O
required	O
the	O
Windows	O
Phone	O
update	O
service	O
and	O
the	O
Qualcomm	B-Architecture
Snapdragon	I-Architecture
SensorCore	O
Technology	O
.	O
</s>
