<s>
The	O
iPad	B-Operating_System
is	O
a	O
brand	O
of	O
iOS	B-Application
and	O
iPadOS-based	O
tablet	B-Device
computers	I-Device
that	O
are	O
developed	O
by	O
Apple	O
Inc	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
was	O
conceived	O
before	O
the	O
related	O
iPhone	B-Device
but	O
the	O
iPhone	B-Device
was	O
developed	O
and	O
released	O
first	O
.	O
</s>
<s>
Speculation	O
about	O
the	O
development	O
,	O
operating	B-General_Concept
system	I-General_Concept
,	O
and	O
release	O
of	O
the	O
original	B-Operating_System
iPad	I-Operating_System
began	O
in	O
2002	O
prior	O
to	O
its	O
introduction	O
on	O
January	O
27	O
,	O
2010	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
range	O
consists	O
of	O
the	O
original	B-Operating_System
iPad	I-Operating_System
lineup	O
and	O
the	O
flagship	O
products	O
iPad	B-Device
Mini	I-Device
,	O
iPad	B-Device
Air	I-Device
,	O
and	O
iPad	B-Device
Pro	I-Device
.	O
</s>
<s>
The	O
iPhone	B-Device
's	O
iOS	B-Application
operating	B-General_Concept
system	I-General_Concept
(	O
OS	O
)	O
was	O
initially	O
used	O
for	O
the	O
iPad	B-Operating_System
but	O
in	O
September	O
2019	O
,	O
its	O
OS	O
was	O
switched	O
to	O
a	O
fork	B-Application
of	O
iOS	B-Application
called	O
iPadOS	B-Operating_System
that	O
has	O
better	O
support	O
for	O
the	O
device	O
's	O
hardware	O
and	O
its	O
user	O
interface	O
is	O
customized	O
for	O
the	O
tablets	B-Device
 '	O
larger	O
screens	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
's	O
App	B-Application
Store	I-Application
is	O
subject	O
to	O
application	O
and	O
content	O
approval	O
.	O
</s>
<s>
Many	O
older	O
devices	O
are	O
susceptible	O
to	O
jailbreaking	B-Application
,	O
which	O
circumvents	O
these	O
restrictions	O
.	O
</s>
<s>
The	O
original	B-Operating_System
iPad	I-Operating_System
was	O
well-received	O
for	O
its	O
software	O
and	O
was	O
recognized	O
as	O
one	O
of	O
the	O
most-influential	O
inventions	O
of	O
2010	O
.	O
</s>
<s>
As	O
of	O
the	O
third	O
quarter	O
of	O
2021	O
,	O
iPad	B-Operating_System
had	O
a	O
market	O
share	O
of	O
34.6	O
%	O
;	O
beside	O
personal	O
use	O
,	O
the	O
iPad	B-Operating_System
is	O
used	O
in	O
the	O
business	O
,	O
education	O
,	O
healthcare	O
,	O
and	O
technology	O
sectors	O
.	O
</s>
<s>
There	O
are	O
two	O
variants	O
of	O
iPad	B-Operating_System
;	O
one	O
has	O
only	O
Wi-Fi	O
and	O
one	O
has	O
support	O
for	O
cellular	O
networks	O
.	O
</s>
<s>
Accessories	B-Device
include	O
the	O
Apple	B-Device
Pencil	I-Device
,	O
Smart	B-Device
Case	I-Device
,	O
Smart	B-Device
Keyboard	I-Device
,	O
Smart	B-Device
Keyboard	I-Device
Folio	I-Device
,	O
Magic	B-Device
Keyboard	I-Device
,	O
and	O
several	O
adapters	O
.	O
</s>
<s>
In	O
1993	O
,	O
Apple	O
worked	O
on	O
the	O
Newton	B-Device
MessagePad	I-Device
,	O
a	O
tablet-like	O
personal	B-Application
digital	I-Application
assistant	I-Application
(	O
PDA	B-Application
)	O
.	O
</s>
<s>
The	O
MessagePad	B-Device
was	O
poorly	O
received	O
for	O
its	O
indecipherable	O
handwriting	B-Application
recognition	I-Application
feature	O
and	O
was	O
discontinued	O
at	O
the	O
direction	O
of	O
Jobs	O
,	O
who	O
returned	O
to	O
Apple	O
in	O
1998	O
after	O
an	O
internal	O
power	O
struggle	O
.	O
</s>
<s>
Apple	O
also	O
prototyped	O
a	O
PowerBook	B-Device
Duo	I-Device
–	O
based	O
tablet	B-Device
computer	I-Device
but	O
decided	O
not	O
to	O
release	O
it	O
to	O
avoid	O
hurting	O
MessagePad	B-Device
sales	O
.	O
</s>
<s>
In	O
May	O
2004	O
,	O
Apple	O
filed	O
a	O
design	O
trademark	O
patent	O
in	O
Europe	O
for	O
a	O
handheld	O
computer	O
,	O
hypothetically	O
referencing	O
the	O
iPad	B-Operating_System
,	O
beginning	O
a	O
new	O
round	O
of	O
speculation	O
that	O
led	O
to	O
a	O
2003	O
report	O
of	O
Apple-affiliated	O
manufacturer	O
Quanta	O
leaking	O
Apple	O
's	O
orders	O
for	O
wireless	O
displays	O
.	O
</s>
<s>
D	O
504,889	O
that	O
included	O
an	O
illustration	O
depicting	O
a	O
man	O
touching	O
and	O
using	O
a	O
tablet	B-Device
device	I-Device
.	O
</s>
<s>
In	O
August	O
2008	O
,	O
Apple	O
filed	O
a	O
50-page	O
patent	O
application	O
that	O
includes	O
an	O
illustration	O
of	O
hands	O
touching	O
and	O
gesturing	O
on	O
a	O
tablet	B-Device
computer	I-Device
.	O
</s>
<s>
In	O
September	O
2009	O
,	O
Taiwan	O
Economic	O
News	O
,	O
citing	O
"	O
industry	O
sources	O
"	O
,	O
reported	O
the	O
tablet	B-Device
computer	I-Device
Apple	O
was	O
working	O
on	O
would	O
be	O
announced	O
in	O
February	O
2010	O
,	O
although	O
the	O
announcement	O
was	O
made	O
in	O
that	O
year	O
's	O
January	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
's	O
concept	O
predates	O
that	O
of	O
the	O
iPhone	B-Device
,	O
although	O
the	O
iPhone	B-Device
was	O
developed	O
and	O
released	O
before	O
the	O
iPad	B-Operating_System
.	O
</s>
<s>
In	O
1991	O
,	O
Apple	O
's	O
chief	O
design	O
officer	O
Jonathan	O
Ive	O
devised	O
an	O
industrial	O
design	O
of	O
a	O
stylus-based	O
tablet	B-Device
,	O
the	O
Macintosh	O
Folio	O
,	O
which	O
led	O
to	O
the	O
development	O
of	O
a	O
larger	O
tablet	B-Device
prototype	O
project	O
codenamed	O
K48	O
that	O
Apple	O
began	O
in	O
2004	O
.	O
</s>
<s>
Ive	O
sought	O
to	O
develop	O
the	O
tablet	B-Device
first	O
but	O
came	O
to	O
an	O
agreement	O
with	O
Jobs	O
the	O
iPhone	B-Device
was	O
more	O
important	O
and	O
should	O
be	O
prioritized	O
.	O
</s>
<s>
The	O
first	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
was	O
announced	O
on	O
January	O
27	O
,	O
2010	O
,	O
and	O
pre-ordering	O
began	O
on	O
March	O
12	O
.	O
</s>
<s>
A	O
Wi-Fi-capable	O
version	O
was	O
released	O
in	O
the	O
United	O
States	O
on	O
April	O
3	O
and	O
a	O
3G-capable	O
version	O
was	O
released	O
on	O
April	O
30	O
.	O
</s>
<s>
Apple	O
released	O
iPad	B-Operating_System
models	O
internationally	O
on	O
May	O
28	O
,	O
July	O
23	O
,	O
and	O
September	O
17	O
.	O
</s>
<s>
The	O
first	B-Operating_System
iPad	I-Operating_System
has	O
a	O
1	O
GHz	O
Apple	O
A4	O
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
(	O
CPU	O
)	O
with	O
256	O
megabytes	O
(	O
MB	O
)	O
of	O
random	B-Architecture
access	I-Architecture
memory	I-Architecture
(	O
RAM	B-Architecture
)	O
and	O
a	O
PowerVR	O
SGX535	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
.	O
</s>
<s>
It	O
has	O
four	O
buttons	O
;	O
a	O
home	B-Device
button	I-Device
that	O
directs	O
the	O
user	O
to	O
its	O
homepage	O
,	O
a	O
wake-and-sleep	O
button	O
,	O
and	O
two	O
volume-control	O
buttons	O
.	O
</s>
<s>
Its	O
multi-touch-based	O
display	O
has	O
a	O
resolution	O
of	O
1,024	O
by	O
768	O
pixels	O
.	O
</s>
<s>
The	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
was	O
announced	O
on	O
March	O
2	O
,	O
2011	O
,	O
and	O
released	O
on	O
March	O
11	O
.	O
</s>
<s>
It	O
is	O
33%	O
thinner	O
and	O
15%	O
lighter	O
than	O
its	O
predecessor	O
,	O
and	O
uses	O
a	O
dual-core	B-Architecture
Apple	O
A5	O
chip	O
consisting	O
of	O
a	O
twice-as-fast	O
CPU	O
and	O
a	O
nine-times-faster	O
GPU	B-Architecture
.	O
</s>
<s>
It	O
has	O
one	O
camera	O
each	O
on	O
the	O
front	O
and	O
the	O
back	O
,	O
both	O
of	O
which	O
support	O
Apple	O
's	O
video-telephony	B-Application
service	O
,	O
FaceTime	B-Operating_System
.	O
</s>
<s>
Apple	O
slimmed	O
the	O
iPad	B-Operating_System
by	O
eliminating	O
the	O
display	O
's	O
stamped-sheet-metal	O
frame	O
,	O
using	O
thinner	O
glass	O
for	O
the	O
screen	O
overlay	O
,	O
and	O
eliminating	O
some	O
space	O
between	O
the	O
display	O
and	O
battery	O
.	O
</s>
<s>
The	O
third	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
was	O
announced	O
on	O
March	O
7	O
,	O
2012	O
,	O
and	O
released	O
on	O
March	O
16	O
.	O
</s>
<s>
It	O
uses	O
a	O
dual-core	B-Architecture
Apple	B-Device
A5X	I-Device
chip	O
embedded	O
with	O
quad-core	B-Architecture
graphics	O
.	O
</s>
<s>
Its	O
Retina	B-Operating_System
Display	I-Operating_System
is	O
2,048	O
by	O
1,536	O
pixels	O
and	O
its	O
pixels	O
are	O
50%	O
denser	O
than	O
those	O
of	O
standard	O
displays	O
.	O
</s>
<s>
Unlike	O
the	O
iPhone	B-Device
and	O
iPod	B-Device
Touch	I-Device
's	O
built-in	O
applications	O
,	O
which	O
work	O
in	O
portrait	O
,	O
landscape-left	O
and	O
landscape-right	O
orientations	O
,	O
the	O
iPad	B-Operating_System
's	O
built-in	O
applications	O
support	O
the	O
upside-down	O
orientation	O
of	O
the	O
device	O
.	O
</s>
<s>
Consequently	O
,	O
the	O
device	O
has	O
no	O
"	O
native	O
"	O
orientation	O
;	O
only	O
the	O
relative	O
position	O
of	O
the	O
home	B-Device
button	I-Device
changes	O
.	O
</s>
<s>
The	O
fourth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
was	O
announced	O
on	O
October	O
23	O
,	O
2012	O
,	O
and	O
released	O
on	O
November	O
2	O
.	O
</s>
<s>
It	O
has	O
an	O
Apple	O
A6X	O
chip	O
,	O
improved	O
LTE	O
and	O
WiFi	O
connectivity	O
,	O
a	O
five-megapixel	O
,	O
rear-facing	O
camera	O
that	O
is	O
capable	O
of	O
recording	O
1080p	O
videos	O
,	O
and	O
a	O
720p	O
front-facing	O
FaceTime	B-Operating_System
HD	O
camera	O
.	O
</s>
<s>
The	O
fifth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
was	O
announced	O
on	O
March	O
21	O
,	O
2017	O
,	O
and	O
released	O
on	O
March	O
24	O
.	O
</s>
<s>
Despite	O
using	O
the	O
same	O
Apple	O
A9	O
and	O
M9	O
processors	O
as	O
the	O
2015	O
iPhone	B-Device
6S	O
,	O
it	O
lacks	O
support	O
of	O
the	O
always-on	O
"	O
Hey	B-Application
Siri	I-Application
"	O
voice	O
recognition	O
,	O
a	O
feature	O
advertised	O
as	O
being	O
made	O
possible	O
by	O
low-power	O
processing	O
in	O
those	O
chips	O
.	O
</s>
<s>
The	O
sixth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
was	O
announced	O
and	O
released	O
on	O
March	O
27	O
,	O
2018	O
.	O
</s>
<s>
It	O
uses	O
a	O
dual-core	B-Architecture
Apple	O
A10	O
Fusion	O
chip	O
and	O
feature	O
a	O
1080p	O
and	O
30fps	O
rear	O
mounted	O
8-megapixel	O
iSight	O
camera	O
,	O
and	O
a	O
720p	O
Facetime	B-Operating_System
HD	O
camera	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
non-Pro	O
iPad	B-Operating_System
to	O
support	O
the	O
Apple	B-Device
Pencil	I-Device
.	O
</s>
<s>
It	O
also	O
had	O
faster	O
FaceTime	B-Operating_System
HD	O
,	O
LTE	O
connectivity	O
,	O
Touch	O
ID	O
,	O
and	O
multitask	O
functionalities	O
.	O
</s>
<s>
The	O
seventh	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
was	O
announced	O
on	O
September	O
10	O
,	O
2019	O
,	O
and	O
released	O
on	O
September	O
25	O
.	O
</s>
<s>
It	O
uses	O
a	O
64-bit	O
Apple	O
A10	O
Fusion	O
chip	O
,	O
with	O
a	O
4-core	O
CPU	O
and	O
6-core	O
GPU	B-Architecture
.	O
</s>
<s>
Its	O
slightly	O
larger	O
10.2	O
"	O
Retina	B-Operating_System
Display	I-Operating_System
has	O
a	O
resolution	O
of	O
2,160	O
×	O
1,620	O
(	O
3.5million	O
pixels	O
)	O
.	O
</s>
<s>
It	O
added	O
support	O
for	O
the	O
Smart	B-Device
Keyboard	I-Device
accessory	O
.	O
</s>
<s>
The	O
eighth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
was	O
announced	O
on	O
September	O
15	O
,	O
2020	O
,	O
and	O
released	O
on	O
September	O
18	O
.	O
</s>
<s>
It	O
uses	O
an	O
Apple	B-Device
A12	I-Device
Bionic	I-Device
chip	O
,	O
which	O
has	O
a	O
40	O
percent	O
faster	O
6-core	O
CPU	O
and	O
a	O
2-times	O
faster	O
4-core	O
GPU	B-Architecture
than	O
its	O
predecessor	O
.	O
</s>
<s>
The	O
Apple	B-Device
A12	I-Device
also	O
included	O
an	O
embedded	O
Neural	O
Engine	O
,	O
and	O
is	O
capable	O
of	O
processing	O
5trillion	O
operations	O
per	O
second	O
.	O
</s>
<s>
Its	O
Retina	B-Operating_System
Display	I-Operating_System
had	O
a	O
resolution	O
of	O
1668	O
by	O
2388	O
pixels	O
.	O
</s>
<s>
The	O
ninth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
was	O
announced	O
and	O
released	O
on	O
September	O
14	O
,	O
2021	O
.	O
</s>
<s>
It	O
uses	O
an	O
Apple	B-Device
A13	I-Device
Bionic	I-Device
chip	O
,	O
which	O
has	O
a	O
20%	O
faster	O
CPU	O
and	O
GPU	B-Architecture
and	O
an	O
embedded	O
,	O
artificial	O
intelligence	O
–	O
immersed	O
Neural	O
Engine	O
.	O
</s>
<s>
Its	O
Retina	B-Operating_System
Display	I-Operating_System
added	O
support	O
for	O
the	O
True	O
Tone	O
technology	O
,	O
which	O
automatically	O
adjusts	O
the	O
screen	O
color	O
temperature	O
according	O
to	O
the	O
ambient	O
lighting	O
.	O
</s>
<s>
The	O
10th-generation	B-Operating_System
iPad	I-Operating_System
was	O
announced	O
on	O
October	O
18	O
,	O
2022	O
,	O
with	O
pre-orders	O
starting	O
immediately	O
and	O
availability	O
set	O
for	O
October	O
26	O
.	O
</s>
<s>
It	O
uses	O
the	O
Apple	B-Device
A14	I-Device
Bionic	I-Device
chip	O
,	O
has	O
a	O
larger	O
10.9-inch	O
screen	O
,	O
and	O
replaces	O
the	O
Lightning	B-Architecture
connector	I-Architecture
with	O
USB-C	O
.	O
</s>
<s>
Unlike	O
all	O
previous	O
models	O
in	O
the	O
iPad	B-Operating_System
range	O
,	O
as	O
well	O
as	O
the	O
sixth-generation	B-Device
iPad	I-Device
Pro	I-Device
announced	O
the	O
same	O
day	O
,	O
this	O
model	O
's	O
front-facing	O
camera	O
is	O
placed	O
along	O
the	O
device	O
's	O
long	O
edge	O
,	O
making	O
it	O
more	O
suitable	O
for	O
video	B-Application
calling	I-Application
applications	O
.	O
</s>
<s>
Despite	O
having	O
a	O
USB-C	O
connector	O
,	O
it	O
is	O
not	O
compatible	O
with	O
the	O
second-generation	O
Apple	B-Device
Pencil	I-Device
that	O
can	O
be	O
used	O
with	O
all	O
other	O
USB-C	O
iPads	B-Operating_System
,	O
instead	O
using	O
the	O
first-generation	O
Pencil	B-Device
with	O
a	O
USB-C-to-Lightning	O
adapter	O
,	O
which	O
will	O
be	O
included	O
with	O
new	O
Pencil	B-Device
purchases	O
.	O
</s>
<s>
While	O
lacking	O
the	O
Smart	O
Connector	O
of	O
the	O
Pro	O
and	O
Air	O
lines	O
,	O
it	O
is	O
compatible	O
with	O
a	O
new	O
Magic	B-Device
Keyboard	I-Device
Folio	O
announced	O
alongside	O
the	O
device	O
.	O
</s>
<s>
This	O
model	O
did	O
not	O
immediately	O
replace	O
the	O
9th-generation	B-Device
iPad	I-Device
;	O
Apple	O
continues	O
to	O
sell	O
the	O
older	O
model	O
at	O
the	O
same	O
price	O
,	O
while	O
the	O
price	O
for	O
the	O
newer	O
10th	O
generation	O
model	O
was	O
increased	O
.	O
</s>
<s>
The	O
first	B-Device
generation	I-Device
of	O
the	O
flagship	O
,	O
smaller	O
iPad	B-Device
Mini	I-Device
was	O
announced	O
on	O
October	O
23	O
,	O
2012	O
,	O
and	O
released	O
on	O
November	O
2	O
.	O
</s>
<s>
It	O
uses	O
a	O
dual-core	B-Architecture
Apple	O
A5	O
chip	O
,	O
and	O
has	O
hardware	O
resembling	O
that	O
of	O
the	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
.	O
</s>
<s>
It	O
has	O
a	O
FaceTime	B-Operating_System
HD	O
camera	O
,	O
a	O
5-megapixel	O
iSight	O
camera	O
,	O
an	O
ultrafast	O
wireless	O
LTE	O
range	O
,	O
and	O
a	O
802.11a/b/g/n	O
standard	O
Wifi	O
connectivity	O
.	O
</s>
<s>
It	O
targets	O
the	O
emerging	O
sector	O
of	O
mini	O
tablets	B-Device
,	O
such	O
as	O
Kindle	B-Application
Fire	I-Application
and	O
Nexus	B-Device
7	I-Device
.	O
</s>
<s>
The	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
Mini	I-Operating_System
was	O
announced	O
on	O
October	O
22	O
,	O
2013	O
,	O
and	O
released	O
on	O
November	O
12	O
.	O
</s>
<s>
Its	O
hardware	O
resembles	O
that	O
of	O
the	O
first	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
Air	I-Operating_System
.	O
</s>
<s>
The	O
third	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Mini	I-Device
was	O
announced	O
on	O
October	O
16	O
,	O
2014	O
,	O
and	O
released	O
on	O
October	O
22	O
.	O
</s>
<s>
It	O
uses	O
an	O
Apple	O
A7	O
chip	O
with	O
an	O
embedded	O
M7	O
motion	O
coprocessor	O
,	O
and	O
its	O
7.9-inch	O
Retina	B-Operating_System
screen	I-Operating_System
display	O
has	O
a	O
resolution	O
of	O
2048	O
by	O
1536	O
pixels	O
.	O
</s>
<s>
It	O
includes	O
a	O
1080p	O
HD	O
camera	O
,	O
a	O
FaceTime	B-Operating_System
HD	O
camera	O
,	O
and	O
a	O
5-megapixel	O
iSight	O
camera	O
.	O
</s>
<s>
The	O
fourth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Mini	I-Device
was	O
announced	O
and	O
released	O
on	O
September	O
9	O
,	O
2015	O
.	O
</s>
<s>
It	O
uses	O
a	O
dual-core	B-Architecture
Apple	O
A8	O
chip	O
with	O
an	O
embedded	O
Apple	O
M8	O
motion	O
coprocessor	O
.	O
</s>
<s>
The	O
fifth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Mini	I-Device
was	O
announced	O
and	O
released	O
on	O
March	O
18	O
,	O
2019	O
.	O
</s>
<s>
It	O
uses	O
an	O
Apple	B-Device
A12	I-Device
Bionic	I-Device
chip	O
,	O
with	O
a	O
3-times	O
faster	O
CPU	O
and	O
a	O
9-times	O
faster	O
GPU	B-Architecture
than	O
its	O
predecessor	O
.	O
</s>
<s>
It	O
features	O
a	O
Truetone-based	O
Retina	B-Operating_System
screen	I-Operating_System
display	O
with	O
25%	O
wider	O
Color	O
and	O
higher	O
pixel	O
density	O
.	O
</s>
<s>
The	O
sixth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Mini	I-Device
was	O
announced	O
and	O
released	O
on	O
September	O
24	O
,	O
2021	O
.	O
</s>
<s>
It	O
uses	O
an	O
Apple	B-Device
A15	I-Device
Bionic	I-Device
chip	O
,	O
with	O
a	O
40%	O
faster	O
6-core	O
CPU	O
and	O
80%	O
faster	O
5-core	O
GPU	B-Architecture
.	O
</s>
<s>
It	O
includes	O
a	O
USB-C	O
port	O
,	O
capable	O
of	O
transferring	O
up	O
to	O
5	O
gigabits	O
per	O
second	O
of	O
data	O
;	O
improved	O
landscape	O
stereo	O
speakers	O
;	O
and	O
a	O
brighter	O
Liquid	B-Operating_System
Retina	I-Operating_System
Display	O
.	O
</s>
<s>
The	O
first	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
Air	I-Operating_System
was	O
announced	O
on	O
October	O
22	O
,	O
2013	O
,	O
and	O
released	O
on	O
November	O
1	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	O
A7	O
chip	O
with	O
an	O
embedded	O
Apple	O
M7	O
Motion	O
coprocessor	O
;	O
the	O
chip	O
included	O
over	O
a	O
billion	O
transistors	O
and	O
comprised	O
a	O
2x	O
faster	O
CPU	O
and	O
GPU	B-Architecture
.	O
</s>
<s>
It	O
also	O
came	O
with	O
a	O
Retina	B-Operating_System
Display	I-Operating_System
.	O
</s>
<s>
The	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
Air	I-Operating_System
was	O
announced	O
on	O
October	O
16	O
,	O
2014	O
,	O
and	O
released	O
on	O
October	O
22	O
.	O
</s>
<s>
Its	O
8MP	O
iSight	O
Camera	O
had	O
1.12-micron	O
pixels	O
and	O
a	O
f/2.4	O
aperture	O
,	O
while	O
its	O
FaceTime	B-Operating_System
Camera	I-Operating_System
had	O
f/2.2	O
aperture	O
and	O
81%	O
light	O
capacity	O
.	O
</s>
<s>
The	O
third	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Air	I-Device
was	O
announced	O
on	O
March	O
18	O
,	O
2019	O
,	O
and	O
released	O
on	O
March	O
25	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	B-Device
A12	I-Device
Bionic	I-Device
with	O
an	O
embedded	O
Neural	O
Engine	O
,	O
6-core	O
CPU	O
and	O
4-core	O
GPU	B-Architecture
.	O
</s>
<s>
The	O
fourth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Air	I-Device
was	O
announced	O
on	O
September	O
15	O
,	O
2020	O
,	O
and	O
released	O
on	O
October	O
23	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	B-Device
A14	I-Device
Bionic	I-Device
chip	O
,	O
which	O
comprised	O
11.9billion	O
transistors	O
,	O
a	O
40%	O
faster	O
6-core	O
CPU	O
,	O
a	O
30%	O
faster	O
4-core	O
GPU	B-Architecture
,	O
and	O
an	O
embedded	O
Neural	O
Engine	O
that	O
can	O
process	O
11trillion	O
operations	O
per	O
second	O
.	O
</s>
<s>
Its	O
10.9-inch	O
Liquid	B-Operating_System
Retina	I-Operating_System
Screen	O
display	O
has	O
a	O
resolution	O
of	O
2360	O
by	O
1640	O
pixels	O
(	O
3.8million	O
pixels	O
)	O
.	O
</s>
<s>
Its	O
front	O
7-megapixel	O
Facetime	B-Operating_System
Camera	I-Operating_System
is	O
of	O
1080p	O
and	O
60	O
fps	O
,	O
while	O
its	O
12-megapixel	O
webcam	O
featured	O
8	O
aperture	O
,	O
4K	O
,	O
60fps	O
,	O
and	O
video	O
stabilization	O
.	O
</s>
<s>
The	O
fifth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Air	I-Device
was	O
announced	O
on	O
March	O
8	O
,	O
2022	O
,	O
and	O
released	O
on	O
March	O
18	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	B-Device
M1	I-Device
chip	O
.	O
</s>
<s>
The	O
first	B-Device
generation	I-Device
of	O
the	O
high-end	O
and	O
professional	O
flagship	O
iPad	B-Device
Pro	I-Device
was	O
announced	O
on	O
September	O
9	O
,	O
2015	O
,	O
and	O
released	O
on	O
November	O
11	O
,	O
(	O
12.9-inch	O
version	O
)	O
and	O
March	O
31	O
(	O
9.7-inch	O
)	O
.It	O
used	O
an	O
Apple	B-Device
A9X	I-Device
chip	O
,	O
with	O
a	O
2x	O
higher	O
memory	O
bandwidth	O
and	O
a	O
1.8x	O
faster	O
CPU	O
than	O
its	O
predecessor	O
.	O
</s>
<s>
It	O
audio	O
system	O
consisted	O
of	O
4	O
audio	O
ports	O
and	O
its	O
volume	O
were	O
more	O
3x	O
more	O
efficient	O
than	O
the	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
Air	I-Operating_System
,	O
and	O
its	O
12-inch	O
screen	O
display	O
had	O
a	O
resolution	O
of	O
2732	O
by	O
2043	O
pixels	O
.	O
</s>
<s>
The	O
second	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Pro	I-Device
was	O
announced	O
on	O
June	O
5	O
,	O
2017	O
,	O
and	O
was	O
released	O
on	O
June	O
13	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	B-Device
A10X	I-Device
chip	O
,	O
with	O
a	O
6-core	O
CPU	O
and	O
12-core	O
GPU	B-Architecture
.	O
</s>
<s>
Its	O
ultra-low	O
reflective	O
Retina	B-Operating_System
Display	I-Operating_System
featured	O
a	O
50%	O
optimized	O
True	O
Tone	O
technology	O
(	O
which	O
automatically	O
adjust	O
the	O
screen	O
accordingly	O
to	O
its	O
ambient	O
color	O
and	O
brightness	O
rates	O
)	O
,	O
Wide	O
Color	O
Integration	O
,	O
and	O
up	O
to	O
500	O
nit	O
brightness	O
rates	O
.	O
</s>
<s>
The	O
third	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Pro	I-Device
was	O
announced	O
on	O
October	O
30	O
,	O
2018	O
,	O
and	O
released	O
on	O
November	O
7	O
,	O
and	O
it	O
is	O
the	O
first	B-Operating_System
iPad	I-Operating_System
to	O
support	O
1TB	O
of	O
storage	O
.	O
</s>
<s>
It	O
used	O
a	O
7nm	O
Apple	B-Device
A12X	I-Device
Bionic	I-Device
chip	O
,	O
which	O
comprised	O
11billion	O
transistors	O
,	O
an	O
8-core	O
CPU	O
,	O
7-core	O
GPU	B-Architecture
and	O
an	O
embedded	O
Neural	O
Engine	O
capable	O
of	O
processing	O
5trillion	O
operations	O
per	O
second	O
.	O
</s>
<s>
The	O
fourth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Pro	I-Device
was	O
announced	O
and	O
released	O
on	O
March	O
18	O
,	O
2020	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	B-Device
A12Z	I-Device
chip	O
,	O
with	O
an	O
8-core	O
CPU	O
and	O
8-core	O
GPU	B-Architecture
.	O
</s>
<s>
The	O
fifth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Pro	I-Device
was	O
announced	O
on	O
April	O
20	O
,	O
2021	O
,	O
and	O
released	O
on	O
May	O
21	O
.	O
</s>
<s>
It	O
used	O
an	O
innovative	O
desktop-class	O
Apple	B-Device
M1	I-Device
chip	O
,	O
which	O
comprised	O
a	O
40%	O
faster	O
8-core	O
CPU	O
,	O
a	O
4x	O
faster	O
8-core	O
GPU	B-Architecture
,	O
and	O
a	O
4x	O
higher	O
bandwidth	O
.	O
</s>
<s>
The	O
12.9-inch	O
version	O
had	O
a	O
mini	O
LED-based	O
Liquid	B-Operating_System
Retina	I-Operating_System
XDR	O
display	O
,	O
compared	O
to	O
the	O
11-inch	O
model	O
's	O
lesser	O
IPS	O
LCD-based	O
Liquid	B-Operating_System
Retina	I-Operating_System
display	O
.	O
</s>
<s>
The	O
sixth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
Pro	I-Device
was	O
announced	O
on	O
October	O
18th	O
,	O
2022	O
,	O
and	O
released	O
on	O
October	O
26th	O
.	O
</s>
<s>
It	O
used	O
an	O
Apple	B-Device
M2	I-Device
chip	O
,	O
with	O
an	O
8-core	O
CPU	O
and	O
10-core	O
GPU	B-Architecture
.	O
</s>
<s>
The	O
iPad	B-Operating_System
comes	O
in	O
two	O
variants	O
:	O
Wi-Fi	O
only	O
and	O
Wi-Fi	O
with	O
cellular	O
support	O
.	O
</s>
<s>
Unlike	O
the	O
iPhone	B-Device
,	O
the	O
cellular	O
variant	O
did	O
not	O
support	O
voice	O
calls	O
and	O
text	O
messages	O
,	O
but	O
only	O
data	O
connectivity	O
;	O
it	O
also	O
had	O
an	O
additional	O
micro-SIM	O
circuit	O
slot	O
attached	O
on	O
the	O
side	O
.	O
</s>
<s>
The	O
3G-based	O
iPad	B-Operating_System
is	O
compatible	O
with	O
any	O
GSM	O
carrier	O
,	O
unlike	O
the	O
iPhone	B-Device
which	O
is	O
usually	O
sold	O
locked	O
 '	O
to	O
specific	O
carriers	O
.	O
</s>
<s>
For	O
the	O
first	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
,	O
cellular	O
access	O
from	O
T-Mobile	O
was	O
limited	O
to	O
slower	O
EDGE	O
cellular	O
speeds	O
because	O
T-Mobile	O
'	O
s	O
network	O
at	O
the	O
time	O
used	O
different	O
frequencies	O
.	O
</s>
<s>
The	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
introduced	O
a	O
third	O
tier	O
of	O
CDMA	B-Protocol
support	O
from	O
Verizon	B-Application
,	O
which	O
is	O
available	O
separately	O
from	O
the	O
AT&	O
T-based	O
version	O
.	O
</s>
<s>
The	O
fifth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
used	O
a	O
nano-SIM	O
circuit	O
slot	O
,	O
while	O
its	O
predecessors	O
used	O
micro-SIM	O
.	O
</s>
<s>
The	O
iPads	B-Operating_System
used	O
two	O
frequency	O
bands	O
;	O
both	O
support	O
the	O
same	O
quad-band	O
GSM	O
and	O
quad-band	O
UMTS	O
frequencies	O
.	O
</s>
<s>
One	O
supports	O
LTE	O
bands	O
4	O
and	O
17	O
(	O
principally	O
intended	O
for	O
use	O
on	O
the	O
U.S.	O
AT&T	O
network	O
)	O
,	O
and	O
the	O
other	O
supports	O
LTE	O
bands	O
1	O
,	O
3	O
,	O
5	O
,	O
13	O
,	O
25	O
and	O
CDMA	B-Protocol
EV-DO	O
Rev	O
.	O
</s>
<s>
Apple	O
extended	O
the	O
range	O
of	O
cellular	O
compatibilities	O
worldwide	O
with	O
the	O
release	O
of	O
the	O
fifth	B-Device
generation	I-Device
of	I-Device
iPad	I-Device
and	O
the	O
second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
iPad	I-Operating_System
Mini	I-Operating_System
,	O
worldwide	O
and	O
all	O
major	O
carriers	O
across	O
North	O
America	O
.	O
</s>
<s>
The	O
iPad	B-Device
Air	I-Device
and	O
iPad	B-Device
Mini	I-Device
come	O
in	O
two	O
cellular	O
sub-variants	O
,	O
all	O
of	O
which	O
featured	O
nano-SIMs	O
,	O
quad-band	O
GSM	O
,	O
penta-band	O
UMTS	O
,	O
and	O
dual-band	O
CDMA	B-Protocol
EV-DO	O
Rev	O
.	O
</s>
<s>
Apple	O
offers	O
many	O
iPad	B-Device
accessories	I-Device
,	O
ranging	O
from	O
keyboards	O
,	O
styluses	O
,	O
cases	O
,	O
to	O
adapters	O
;	O
a	O
10	O
W	O
power	O
adapter	O
is	O
bundled	O
with	O
the	O
device	O
.	O
</s>
<s>
In	O
addition	O
to	O
a	O
camera	O
connection	O
kit	O
which	O
consists	O
of	O
two	O
adapters	O
for	O
the	O
iPad	B-Operating_System
's	O
dock	O
connector	O
,	O
one	O
of	O
USB	B-Protocol
Type	O
A	O
and	O
one	O
of	O
SD	B-Device
card	I-Device
reader	O
;	O
these	O
adapters	O
can	O
transfer	O
photographs	O
and	O
videos	O
and	O
connect	O
USB	B-Protocol
audio	O
card	O
and	O
MIDI	O
keyboard	O
.	O
</s>
<s>
Apple	O
's	O
list	O
of	O
accessories	B-Device
included	O
the	O
Apple	B-Device
Pencil	I-Device
―	O
a	O
wireless	O
stylus	O
pen	O
,	O
Smart	O
Cover	O
―	O
a	O
magnetic	O
screen	O
protector	O
that	O
align	O
to	O
the	O
face	O
of	O
an	O
iPad	B-Operating_System
with	O
three	O
folds	O
that	O
is	O
convertible	O
into	O
a	O
stand	O
,	O
Smart	B-Device
Case	I-Device
―	O
a	O
fine	O
case	O
combining	O
the	O
functions	O
of	O
a	O
Smart	O
Cover	O
and	O
a	O
back-protection	O
case	O
,	O
Smart	B-Device
Keyboard	I-Device
Folio	I-Device
―	O
an	O
externally-paired	O
keyboard	O
and	O
a	O
combination	O
of	O
a	O
Smart	B-Device
Case	I-Device
and	O
its	O
predecessor	O
,	O
a	O
Smart	B-Device
Keyboard	I-Device
,	O
Magic	B-Device
Keyboard	I-Device
,	O
―	O
an	O
externally-paired	O
keyboard	O
similar	O
to	O
the	O
formers	O
but	O
with	O
integrated	O
trackpads	O
which	O
the	O
Smart	B-Device
Keyboard	I-Device
Folio	I-Device
and	O
Smart	B-Device
Keyboard	I-Device
lack	O
.	O
</s>
<s>
Since	O
its	O
introduction	O
in	O
2010	O
,	O
the	O
iPad	B-Operating_System
runs	O
on	O
the	O
iPhone	B-Device
's	O
iOS	B-Application
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
,	O
but	O
it	O
was	O
later	O
replaced	O
with	O
an	O
optimized	O
derivation	O
,	O
iPadOS	B-Operating_System
,	O
in	O
September	O
2019	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
is	O
compatible	O
with	O
nearly	O
every	O
iPhone	B-Application
application	I-Application
through	O
iOS	B-Application
,	O
and	O
developers	O
can	O
optimize	O
these	O
applications	O
to	O
take	O
full	O
advantage	O
of	O
the	O
iPad	B-Operating_System
's	O
software	O
.	O
</s>
<s>
They	O
used	O
iOS	B-Operating_System
SDK	I-Operating_System
,	O
a	O
software	O
development	O
kit	O
.	O
</s>
<s>
The	O
iOS	B-Application
user	O
interface	O
is	O
based	O
upon	O
direct	O
manipulation	O
,	O
using	O
multi-touch	B-Application
gestures	O
such	O
as	O
swipe	O
,	O
tap	O
,	O
pinch	O
,	O
and	O
reverse	O
pinch	O
.	O
</s>
<s>
Various	O
accessibility	O
described	O
in	O
§	O
Accessibility	O
functions	O
enable	O
users	O
with	O
vision	O
and	O
hearing	O
disabilities	O
to	O
properly	O
use	O
iOS	B-Application
.	O
</s>
<s>
iOS	B-Application
devices	O
boot	O
to	O
the	O
homescreen	O
,	O
the	O
primary	O
navigation	O
and	O
information	O
"	O
hub	O
"	O
on	O
iOS	B-Application
devices	O
,	O
analogous	O
to	O
the	O
desktop	O
found	O
on	O
personal	O
computers	O
.	O
</s>
<s>
iOS	B-Application
homescreens	O
are	O
typically	O
made	O
up	O
of	O
app	O
icons	O
and	O
widgets	O
;	O
app	O
icons	O
launch	O
the	O
associated	O
app	O
,	O
whereas	O
widgets	O
display	O
live	O
,	O
auto-updating	O
content	O
,	O
such	O
as	O
a	O
weather	O
forecast	O
,	O
the	O
user	O
's	O
email	O
inbox	O
,	O
or	O
a	O
news	O
ticker	O
directly	O
on	O
the	O
homescreen	O
.	O
</s>
<s>
iOS	B-Application
 '	O
Control	O
Center	O
can	O
be	O
"	O
pulled	O
"	O
down	O
from	O
the	O
top	O
right	O
of	O
the	O
notch	O
,	O
giving	O
access	O
to	O
various	O
toggles	O
to	O
manage	O
the	O
device	O
more	O
quickly	O
without	O
having	O
to	O
open	O
the	O
Settings	O
.	O
</s>
<s>
iOS	B-Application
 '	O
multitasking	O
API	O
included	O
Background	O
audio	O
–	O
application	O
continues	O
to	O
run	O
in	O
the	O
background	O
as	O
long	O
as	O
it	O
is	O
playing	O
audio	O
or	O
video	O
content	O
,	O
voice	O
over	O
IP	O
–	O
application	O
is	O
suspended	O
when	O
a	O
phone	O
call	O
is	O
not	O
in	O
progress	O
,	O
Push	O
notification	O
,	O
Local	O
notifications	O
–	O
application	O
schedules	O
local	O
notifications	O
to	O
be	O
delivered	O
at	O
a	O
predetermined	O
time	O
,	O
Task	O
completion	O
–	O
application	O
asks	O
the	O
system	O
for	O
extra	O
time	O
to	O
complete	O
a	O
given	O
task	O
,	O
Fast	O
app	O
switching	O
–	O
application	O
does	O
not	O
execute	O
any	O
code	O
and	O
may	O
be	O
removed	O
from	O
memory	O
at	O
any	O
time	O
,	O
Newsstand	O
–	O
applications	O
can	O
download	O
content	O
in	O
the	O
background	O
to	O
be	O
ready	O
for	O
the	O
uses	O
,	O
External	O
Accessory	O
–	O
application	O
communicates	O
with	O
an	O
external	O
accessory	O
and	O
shares	O
data	O
at	O
regular	O
intervals	O
,	O
Bluetooth	O
Accessory	O
–	O
application	O
communicates	O
with	O
a	O
Bluetooth	O
accessory	O
and	O
shares	O
data	O
at	O
regular	O
intervals	O
,	O
and	O
Background	O
application	O
update	O
.	O
</s>
<s>
iPadOS	B-Operating_System
features	O
a	O
multitasking	O
system	O
developed	O
with	O
more	O
capabilities	O
compared	O
to	O
iOS	B-Application
,	O
with	O
features	O
like	O
Slide	O
Over	O
and	O
Split	O
View	O
that	O
make	O
it	O
possible	O
to	O
use	O
multiple	O
different	O
applications	O
simultaneously	O
.	O
</s>
<s>
Double-clicking	O
the	O
Home	B-Device
Button	I-Device
or	O
swiping	O
up	O
from	O
the	O
bottom	O
of	O
the	O
screen	O
and	O
pausing	O
will	O
display	O
all	O
currently	O
active	O
spaces	O
.	O
</s>
<s>
In	O
iPadOS	B-Operating_System
,	O
while	O
using	O
an	O
app	O
,	O
swiping	O
up	O
slightly	O
from	O
the	O
bottom	O
edge	O
of	O
the	O
screen	O
will	O
summon	O
the	O
Dock	O
,	O
where	O
apps	O
stored	O
within	O
can	O
be	O
dragged	O
to	O
different	O
areas	O
of	O
the	O
current	O
space	O
to	O
be	O
opened	O
in	O
either	O
Split	O
View	O
or	O
Slide	O
Over	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
does	O
not	O
employ	O
digital	O
rights	O
management	O
(	O
DRM	O
)	O
,	O
but	O
the	O
OS	O
prevents	O
users	O
from	O
copying	O
or	O
transferring	O
certain	O
content	O
outside	O
of	O
Apple	O
's	O
platform	O
without	O
authorization	O
,	O
such	O
as	O
TV	O
shows	O
,	O
movies	O
,	O
and	O
apps	O
.	O
</s>
<s>
Also	O
,	O
the	O
iPad	B-Operating_System
's	O
development	O
model	O
requires	O
anyone	O
creating	O
an	O
app	O
for	O
the	O
iPad	B-Operating_System
to	O
sign	O
a	O
non-disclosure	O
agreement	O
and	O
pay	O
for	O
a	O
developer	O
subscription	O
.	O
</s>
<s>
Of	O
particular	O
concern	O
to	O
digital	O
rights	O
advocates	O
is	O
Apple	O
's	O
ability	O
to	O
remotely	O
disable	O
or	O
delete	O
apps	O
on	O
any	O
iPad	B-Operating_System
at	O
any	O
time	O
.	O
</s>
<s>
Digital	O
rights	O
advocates	O
,	O
including	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
,	O
Electronic	O
Frontier	O
Foundation	O
,	O
and	O
computer	O
engineer	O
and	O
activist	O
Brewster	O
Kahle	O
,	O
have	O
criticized	O
the	O
iPad	B-Operating_System
for	O
its	O
digital	O
rights	O
restrictions	O
.	O
</s>
<s>
In	O
April	O
2010	O
,	O
Paul	O
Sweeting	O
,	O
an	O
analyst	O
with	O
GigaOM	O
,	O
was	O
quoted	O
by	O
NPR	O
as	O
saying	O
,	O
"	O
With	O
the	O
iPad	B-Operating_System
,	O
you	O
have	O
the	O
anti-Internet	O
in	O
your	O
hands	O
.	O
</s>
<s>
The	O
Russian	O
government	O
has	O
switched	O
from	O
iPads	B-Operating_System
to	O
Android	B-Application
devices	O
over	O
security	O
concerns	O
.	O
</s>
<s>
Like	O
other	O
iOS	B-Application
devices	O
,	O
the	O
iPad	B-Operating_System
can	O
be	O
"	O
jailbroken	B-Application
"	O
,	O
depending	O
on	O
which	O
version	O
of	O
iOS	B-Application
or	O
iPadOS	B-Operating_System
it	O
is	O
running	O
,	O
thus	O
allowing	O
applications	O
and	O
programs	O
that	O
are	O
not	O
authorized	O
by	O
Apple	O
to	O
run	O
on	O
the	O
device	O
.	O
</s>
<s>
Once	O
it	O
is	O
jailbroken	B-Application
,	O
users	O
are	O
able	O
to	O
download	O
many	O
applications	O
previously	O
unavailable	O
through	O
the	O
App	B-Application
Store	I-Application
via	O
unofficial	O
installers	O
such	O
as	O
Cydia	B-Device
,	O
as	O
well	O
as	O
illegally	O
pirated	O
applications	O
.	O
</s>
<s>
Apple	O
claims	O
jailbreaking	B-Application
"	O
can	O
"	O
void	O
the	O
factory	O
warranty	O
on	O
the	O
device	O
in	O
the	O
United	O
States	O
even	O
though	O
jailbreaking	B-Application
is	O
legal	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
,	O
released	O
in	O
April	O
2010	O
,	O
was	O
first	O
jailbroken	B-Application
in	O
May	O
2010	O
with	O
the	O
Spirit	O
jailbreak	B-Application
for	O
iOS	B-Application
version	O
3.1.2	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
can	O
be	O
jailbroken	B-Application
on	O
iOS	B-Application
versions	O
4.3	O
through	O
4.3.3	O
with	O
the	O
web-based	O
tool	O
JailbreakMe	B-Operating_System
3.0	O
(	O
released	O
in	O
July	O
2011	O
)	O
,	O
and	O
on	O
iOS	B-Application
versions	O
including	O
5.0	O
and	O
5.0.1	O
using	O
redsn0w	O
Absinthe	O
2.0	O
was	O
released	O
on	O
May	O
25	O
,	O
2012	O
,	O
as	O
the	O
first	O
jailbreak	B-Application
method	O
for	O
all	O
iOS	B-Application
5.1.1	O
devices	O
except	O
the	O
32nm	O
version	O
of	O
the	O
iPad	B-Operating_System
2	I-Operating_System
.	O
</s>
<s>
Apple	B-Application
's	I-Application
App	I-Application
Store	I-Application
,	O
which	O
provides	O
iPhone	B-Device
and	O
iPad	B-Operating_System
applications	O
,	O
imposes	O
censorship	O
of	O
content	O
,	O
which	O
has	O
become	O
an	O
issue	O
for	O
book	O
publishers	O
and	O
magazines	O
seeking	O
to	O
use	O
the	O
platform	O
.	O
</s>
<s>
Due	O
to	O
the	O
exclusion	O
of	O
pornography	O
from	O
the	O
App	B-Application
Store	I-Application
,	O
YouPorn	O
and	O
others	O
changed	O
their	O
video	O
format	O
from	O
Flash	O
to	O
H.264	B-Application
and	O
HTML5	B-Application
specifically	O
for	O
the	O
iPad	B-Operating_System
.	O
</s>
<s>
In	O
an	O
e-mail	O
exchange	O
with	O
Ryan	O
Tate	O
from	O
Valleywag	O
,	O
Steve	O
Jobs	O
claimed	O
that	O
the	O
iPad	B-Operating_System
offers	O
"	O
freedom	O
from	O
porn	O
"	O
,	O
leading	O
to	O
many	O
upset	O
replies	O
including	O
Adbustings	O
in	O
Berlin	O
by	O
artist	O
Johannes	O
P	O
.	O
Osterhoff	O
and	O
in	O
San	O
Francisco	O
during	O
WWDC10	O
.	O
</s>
<s>
Media	O
reaction	O
to	O
the	O
original	B-Operating_System
iPad	I-Operating_System
was	O
mixed	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
was	O
quickly	O
successful	O
and	O
sold	O
in	O
large	O
numbers	O
after	O
its	O
2010	O
launch	O
.	O
</s>
<s>
Analysts	O
have	O
noted	O
that	O
while	O
Apple	O
's	O
previous	O
iPod	B-Device
and	O
iPhone	B-Device
launches	O
took	O
some	O
time	O
till	O
taking	O
off	O
,	O
the	O
iPad	B-Operating_System
was	O
commercially	O
popular	O
from	O
the	O
beginning	O
and	O
faced	O
little	O
market	O
competition	O
during	O
its	O
first	O
year	O
.	O
</s>
<s>
Media	O
reaction	O
to	O
the	O
announcement	O
of	O
the	O
original	B-Operating_System
iPad	I-Operating_System
was	O
mixed	O
.	O
</s>
<s>
Walter	O
Mossberg	O
wrote	O
,	O
"	O
It	O
's	O
about	O
the	O
software	O
,	O
stupid	O
"	O
,	O
meaning	O
hardware	O
features	O
and	O
build	O
are	O
less	O
important	O
to	O
the	O
iPad	B-Operating_System
's	O
success	O
than	O
software	O
and	O
user	O
interface	O
,	O
his	O
first	O
impressions	O
of	O
which	O
were	O
largely	O
positive	O
.	O
</s>
<s>
Others	O
,	O
including	O
PC	O
Advisor	O
and	O
the	O
Sydney	O
Morning	O
Herald	O
,	O
wrote	O
that	O
the	O
iPad	B-Operating_System
would	O
also	O
compete	O
with	O
proliferating	O
netbooks	B-Device
,	O
most	O
of	O
which	O
use	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
base	O
model	O
's	O
$499	O
price	O
was	O
lower	O
than	O
pre-release	O
estimates	O
by	O
the	O
tech	O
press	O
,	O
Wall	B-Application
Street	I-Application
analysts	O
,	O
and	O
Apple	O
's	O
competitors	O
,	O
all	O
of	O
whom	O
were	O
expecting	O
a	O
much	O
higher	O
entry	O
price	O
point	O
.	O
</s>
<s>
CNET	O
also	O
criticized	O
the	O
iPad	B-Operating_System
for	O
its	O
apparent	O
lack	O
of	O
wireless	O
sync	O
which	O
other	O
portable	O
devices	O
such	O
as	O
Microsoft	O
's	O
Zune	B-Library
have	O
had	O
for	O
a	O
number	O
of	O
years	O
.	O
</s>
<s>
Reviews	O
of	O
the	O
original	B-Operating_System
iPad	I-Operating_System
have	O
been	O
generally	O
favorable	O
.	O
</s>
<s>
Walt	O
Mossberg	O
then	O
,	O
of	O
The	O
Wall	B-Application
Street	I-Application
Journal	O
called	O
it	O
a	O
"	O
pretty	O
close	O
"	O
laptop	O
killer	O
.	O
</s>
<s>
In	O
the	O
former	O
section	O
,	O
he	O
notes	O
that	O
a	O
laptop	O
offers	O
more	O
features	O
for	O
a	O
cheaper	O
price	O
than	O
the	O
iPad	B-Operating_System
.	O
</s>
<s>
PC	O
Magazine'''s	O
Tim	O
Gideon	O
wrote	O
,	O
"	O
you	O
have	O
yourself	O
a	O
winner	O
"	O
that	O
"	O
will	O
undoubtedly	O
be	O
a	O
driving	O
force	O
in	O
shaping	O
the	O
emerging	O
tablet	B-Device
landscape.	O
"	O
</s>
<s>
Michael	O
Arrington	O
of	O
TechCrunch	O
said	O
,	O
"	O
the	O
iPad	B-Operating_System
beats	O
even	O
my	O
most	O
optimistic	O
expectations	O
.	O
</s>
<s>
PC	O
World	O
criticized	O
the	O
iPad	B-Operating_System
's	O
file	O
sharing	O
and	O
printing	O
abilities	O
,	O
and	O
Ars	O
Technica	O
said	O
sharing	O
files	O
with	O
a	O
computer	O
is	O
"	O
one	O
of	O
our	O
least	O
favorite	O
parts	O
of	O
the	O
iPad	B-Operating_System
experience.	O
"	O
</s>
<s>
In	O
contrast	O
they	O
criticized	O
the	O
iPad	B-Operating_System
for	O
being	O
a	O
closed	O
system	O
and	O
mentioned	O
that	O
the	O
iPad	B-Operating_System
faces	O
competition	O
from	O
Android-based	O
tablets	B-Device
,	O
that	O
outsold	O
iPads	B-Operating_System
in	O
2013	O
,	O
surpassing	O
iPads	B-Operating_System
in	O
the	O
second	O
quarter	O
of	O
2013	O
,	O
and	O
have	O
overtaken	O
iPad	B-Operating_System
's	O
installed	O
base	O
,	O
and	O
has	O
lost	O
majority	O
of	O
web	O
browsing	O
to	O
Android	B-Application
,	O
by	O
StatCounter	O
estimates	O
,	O
in	O
South	O
America	O
,	O
Africa	O
,	O
most	O
of	O
Asia	O
many	O
large	O
countries	O
there	O
and	O
in	O
Eastern	O
Europe	O
.	O
</s>
<s>
The	O
Independent	O
criticized	O
the	O
iPad	B-Operating_System
for	O
not	O
being	O
as	O
readable	O
in	O
bright	O
light	O
as	O
paper	O
but	O
praised	O
it	O
for	O
being	O
able	O
to	O
store	O
large	O
quantities	O
of	O
books	O
.	O
</s>
<s>
After	O
its	O
UK	O
release	O
,	O
The	O
Daily	O
Telegraph	O
said	O
the	O
iPad	B-Operating_System
's	O
lack	O
of	O
Adobe	B-Operating_System
Flash	I-Operating_System
support	O
was	O
"	O
annoying.	O
"	O
</s>
<s>
The	O
original	B-Operating_System
iPad	I-Operating_System
was	O
selected	O
by	O
Time	O
magazine	O
as	O
one	O
of	O
the	O
50	O
Best	O
Inventions	O
of	O
the	O
Year	O
2010	O
,	O
while	O
Popular	O
Science	O
chose	O
it	O
as	O
the	O
top	O
gadget	O
behind	O
the	O
overall	O
"	O
Best	O
of	O
What	O
's	O
New	O
2010	O
"	O
winner	O
Groasis	O
Waterboxx	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
had	O
a	O
relatively	O
stable	O
global	O
market	O
share	O
.	O
</s>
<s>
While	O
the	O
iPad	B-Operating_System
is	O
mostly	O
used	O
by	O
consumers	O
,	O
it	O
also	O
has	O
been	O
taken	O
up	O
by	O
business	O
users	O
.	O
</s>
<s>
Within	O
90	O
days	O
of	O
its	O
release	O
,	O
the	O
iPad	B-Operating_System
managed	O
to	O
penetrate	O
50%	O
of	O
Fortune	O
100	O
companies	O
.	O
</s>
<s>
Some	O
companies	O
are	O
adopting	O
iPads	B-Operating_System
in	O
their	O
business	O
offices	O
by	O
distributing	O
or	O
making	O
available	O
iPads	B-Operating_System
to	O
employees	O
.	O
</s>
<s>
A	O
survey	O
by	O
Frost	O
&	O
Sullivan	O
shows	O
that	O
iPad	B-Operating_System
usage	O
in	O
office	O
workplaces	O
is	O
linked	O
to	O
the	O
goals	O
of	O
increased	O
employee	O
productivity	O
,	O
reduced	O
paperwork	O
,	O
and	O
increased	O
revenue	O
.	O
</s>
<s>
Since	O
March	O
2011	O
,	O
the	O
US	O
Federal	O
Aviation	O
Administration	O
(	O
FAA	O
)	O
has	O
approved	O
the	O
iPad	B-Operating_System
for	O
in-cockpit	O
use	O
to	O
cut	O
down	O
on	O
the	O
paper	O
consumption	O
in	O
several	O
airlines	O
.	O
</s>
<s>
In	O
2011	O
,	O
Alaska	O
Airlines	O
became	O
the	O
first	O
airline	O
to	O
replace	O
pilots	O
 '	O
paper	O
manuals	O
with	O
iPads	B-Operating_System
,	O
weighing	O
compared	O
to	O
for	O
the	O
printed	O
flight	O
manuals	O
.	O
</s>
<s>
More	O
than	O
a	O
dozen	O
airlines	O
have	O
followed	O
suit	O
,	O
including	O
United	O
,	O
which	O
has	O
distributed	O
iPads	B-Operating_System
to	O
cockpits	O
.	O
</s>
<s>
Also	O
,	O
many	O
airlines	O
now	O
offer	O
their	O
inflight	O
magazine	O
as	O
a	O
downloadable	O
application	O
for	O
the	O
iPad	B-Operating_System
.	O
</s>
<s>
The	O
iPad	B-Operating_System
has	O
several	O
uses	O
in	O
the	O
classroom	O
,	O
and	O
has	O
been	O
praised	O
as	O
a	O
valuable	O
tool	O
for	O
homeschooling	O
and	O
distance	O
education	O
.	O
</s>
<s>
Soon	O
after	O
the	O
iPad	B-Operating_System
was	O
released	O
,	O
it	O
was	O
reported	O
that	O
81%	O
of	O
the	O
top	O
book	O
apps	O
were	O
for	O
children	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
has	O
also	O
been	O
called	O
a	O
revolutionary	O
tool	O
to	O
help	O
children	O
with	O
autism	O
learn	O
how	O
to	O
communicate	O
and	O
socialize	O
more	O
easily	O
.	O
</s>
<s>
In	O
the	O
healthcare	O
field	O
,	O
iPads	B-Operating_System
and	O
iPhones	B-Device
have	O
been	O
used	O
to	O
help	O
hospitals	O
manage	O
their	O
supply	O
chain	O
.	O
</s>
<s>
For	O
example	O
,	O
Novation	O
,	O
a	O
healthcare	O
contracting	O
services	O
company	O
,	O
developed	O
VHA	O
PriceLynx	O
(	O
based	O
on	O
the	O
mobile	O
application	O
platform	O
of	O
business	B-General_Concept
intelligence	I-General_Concept
software	O
vendor	O
MicroStrategy	O
)	O
,	O
a	O
business	B-General_Concept
intelligence	I-General_Concept
app	O
to	O
help	O
health	O
care	O
organizations	O
manage	O
its	O
purchasing	O
procedures	O
more	O
efficiently	O
and	O
save	O
money	O
for	O
hospitals	O
.	O
</s>
<s>
With	O
an	O
iPad	B-Operating_System
it	O
's	O
perfect	O
to	O
walk	O
around	O
the	O
hospital	O
with	O
as	O
long	O
as	O
they	O
have	O
the	O
information	O
they	O
need.	O
"	O
</s>
<s>
In	O
2013	O
,	O
Gianna	O
Chien	O
(	O
aged	O
14	O
)	O
presented	O
to	O
more	O
than	O
8,000	O
doctors	O
at	O
the	O
Heart	O
Rhythm	O
Society	O
meeting	O
that	O
the	O
Apple	B-Operating_System
iPad	I-Operating_System
2	I-Operating_System
can	O
,	O
in	O
some	O
cases	O
,	O
interfere	O
with	O
life-saving	O
heart	O
devices	O
(	O
pacemakers	B-Device
)	O
because	O
of	O
the	O
magnets	O
inside	O
.	O
</s>
<s>
The	O
iPad	B-Operating_System
User	O
Guide	O
advised	O
pacemaker	B-Device
users	O
to	O
keep	O
iPads	B-Operating_System
at	O
least	O
away	O
from	O
the	O
pacemaker	B-Device
.	O
</s>
<s>
A	O
study	O
in	O
2014	O
found	O
that	O
the	O
iPad	B-Operating_System
2	I-Operating_System
could	O
cause	O
electromagnetic	O
interference	O
(	O
EMI	O
)	O
in	O
implantable	O
cardioverter	O
defibrillators	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
fans	O
attending	O
Super	O
Bowl	O
XLV	O
,	O
the	O
first	O
Super	O
Bowl	O
since	O
the	O
iPad	B-Operating_System
was	O
released	O
,	O
could	O
use	O
an	O
official	O
National	O
Football	O
League	O
(	O
NFL	O
)	O
app	O
to	O
navigate	O
Cowboys	O
Stadium	O
.	O
</s>
<s>
In	O
2011	O
,	O
the	O
Tampa	O
Bay	O
Buccaneers	O
became	O
the	O
first	O
NFL	O
club	O
to	O
discontinue	O
the	O
use	O
of	O
paper	O
copies	O
of	O
playbooks	O
,	O
and	O
instead	O
distributed	O
all	O
players	O
their	O
playbook	O
and	O
videos	O
in	O
electronic	O
format	O
via	O
an	O
iPad	B-Operating_System
2	I-Operating_System
.	O
</s>
<s>
The	O
iPad	B-Operating_System
is	O
able	O
to	O
support	O
many	O
music	O
creation	O
applications	O
in	O
addition	O
to	O
the	O
iTunes	O
music	O
playback	O
software	O
.	O
</s>
<s>
Gorillaz	O
's	O
2010	O
album	O
,	O
The	O
Fall''	O
,	O
was	O
created	O
almost	O
exclusively	O
using	O
the	O
iPad	B-Operating_System
by	O
Damon	O
Albarn	O
while	O
on	O
tour	O
with	O
the	O
band	O
.	O
</s>
<s>
The	O
music	O
video	O
for	O
Luna	O
Sea	O
's	O
2012	O
single	O
,	O
"	O
Rouge	O
"	O
,	O
was	O
filmed	O
entirely	O
on	O
an	O
iPad	B-Operating_System
.	O
</s>
