<s>
ShapeWriter	B-Device
(	O
previously	O
known	O
as	O
Shorthand-Aided	B-Device
Rapid	I-Device
Keyboarding	I-Device
(	O
SHARK	O
)	O
)	O
was	O
a	O
keyboard	O
text	O
input	O
method	O
for	O
tablet	O
,	O
handheld	O
PCs	O
,	O
and	O
mobile	O
phones	O
invented	O
by	O
Shumin	O
Zhai	O
and	O
Per	O
Ola	O
Kristensson	O
at	O
IBM	O
Almaden	O
Research	O
Center	O
and	O
the	O
Department	O
of	O
Computer	O
and	O
Information	O
Science	O
at	O
Linköping	O
University	O
.	O
</s>
<s>
Using	O
ShapeWriter	B-Device
text	O
entry	O
software	O
,	O
a	O
user	O
draws	O
words	O
on	O
a	O
graphical	O
keyboard	O
using	O
a	O
pen	O
.	O
</s>
<s>
After	O
some	O
usage	O
the	O
user	O
learns	O
the	O
movement	O
pattern	O
for	O
the	O
commonly	O
used	O
words	O
and	O
can	O
write	O
them	O
faster	O
than	O
is	O
possible	O
on	O
a	O
traditional	O
virtual	B-Device
keyboard	I-Device
.	O
</s>
<s>
It	O
used	O
a	O
handwriting	B-Application
recognition	I-Application
algorithm	O
that	O
relied	O
on	O
dynamic	B-Algorithm
programming	I-Algorithm
to	O
recognize	O
the	O
word	O
patterns	O
drawn	O
from	O
a	O
lexicon	O
.	O
</s>
<s>
It	O
is	O
this	O
system	O
that	O
was	O
the	O
basis	O
for	O
the	O
software	O
release	O
on	O
IBM	O
alphaWorks	O
that	O
is	O
generally	O
associated	O
with	O
the	O
term	O
"	O
ShapeWriter	B-Device
"	O
.	O
</s>
<s>
ShapeWriter	B-Device
was	O
acquired	O
by	O
Nuance	O
Communications	O
,	O
and	O
taken	O
off	O
the	O
market	O
in	O
2010	O
;	O
its	O
technology	O
presumably	O
incorporated	O
as	O
part	O
of	O
Nuance	O
's	O
FlexT9	O
app	O
in	O
2011	O
.	O
</s>
<s>
ShapeWriter	B-Device
was	O
made	O
available	O
for	O
the	O
iPhone	O
approximately	O
in	O
2008	O
and	O
was	O
revised	O
several	O
times	O
(	O
including	O
ShapeWriter	B-Device
Lite	O
and	O
ShapeWriter	B-Device
Pro	O
or	O
Plus	O
)	O
before	O
being	O
pulled	O
due	O
to	O
its	O
sale	O
to	O
Nuance	O
Communications	O
(	O
see	O
following	O
entry	O
)	O
.	O
</s>
<s>
ShapeWriter	B-Device
software	O
was	O
made	O
available	O
as	O
a	O
free	O
application	O
for	O
Android	B-Application
(	O
operating	O
system	O
)	O
smartphones	O
through	O
the	O
Android	B-Application
Market	I-Application
.	O
</s>
<s>
As	O
a	O
touchscreen	B-Device
keyboard	I-Device
replacement	O
,	O
it	O
had	O
over	O
50,000	O
users	O
on	O
Android	B-Application
worldwide	O
.	O
</s>
<s>
It	O
was	O
available	O
only	O
for	O
Android	B-Application
OS	I-Application
versions	O
1.6	O
or	O
higher	O
.	O
</s>
<s>
ShapeWriter	B-Device
for	O
Android	B-Application
was	O
available	O
in	O
7	O
European	O
languages	O
including	O
English	O
,	O
Spanish	O
,	O
and	O
German	O
.	O
</s>
<s>
There	O
was	O
also	O
a	O
Beta	O
release	O
for	O
Android	B-Application
1.5	O
phones	O
including	O
the	O
HTC	B-Application
Hero	I-Application
and	O
Droid	O
Eris	O
.	O
</s>
<s>
ShapeWriter	B-Device
,	O
Inc	O
.	O
was	O
purchased	O
by	O
Nuance	O
Communications	O
and	O
the	O
ShapeWriter	B-Device
software	O
was	O
removed	O
from	O
the	O
Android	B-Application
Market	I-Application
indefinitely	O
on	O
June	O
20	O
,	O
2010	O
.	O
</s>
