<s>
Dual	B-Device
input	I-Device
or	O
dual	O
point	O
user	O
input	O
are	O
common	O
terms	O
describing	O
the	O
'	O
multiple	O
touch	O
input	O
on	O
two	O
devices	O
simultaneously	O
 '	O
challenge	O
.	O
</s>
<s>
When	O
there	O
are	O
two	O
users	O
,	O
like	O
in	O
the	O
picture	O
example	O
,	O
the	O
two	O
simultaneous	O
dual	B-Device
input	I-Device
actions	O
would	O
require	O
two	O
“	O
cursors	O
”	O
in	O
the	O
operating	O
system	O
to	O
function	O
.	O
</s>
<s>
These	O
technical	O
solutions	O
can	O
for	O
example	O
be	O
observed	O
in	O
patent	O
applications	O
in	O
the	O
dual	B-Device
input	I-Device
field	O
.	O
</s>
<s>
There	O
are	O
dedicated	O
companies	O
working	O
with	O
dual	B-Device
input	I-Device
solutions	O
to	O
other	O
enterprise	O
companies	O
.	O
</s>
<s>
This	O
required	O
additional	O
help	O
to	O
solve	O
the	O
dual	B-Device
input	I-Device
on	O
two	O
screens	O
simultaneously	O
.	O
</s>
<s>
Finally	O
we	O
also	O
see	O
web	O
technology	O
frameworks	O
adding	O
dual	B-Device
input	I-Device
support	O
.	O
</s>
<s>
One	O
example	O
is	O
Smart	O
client	O
which	O
released	O
support	O
for	O
dual	B-Device
input	I-Device
in	O
their	O
software	O
v	O
.	O
12	O
.	O
</s>
