<s>
imo	B-Protocol
is	O
a	O
proprietary	B-Application
audio/video	O
calling	O
and	O
instant	B-Application
messaging	I-Application
software	O
service	O
.	O
</s>
<s>
It	O
allows	O
sending	O
music	O
,	O
video	O
,	O
PDFs	B-Application
and	O
other	O
files	O
,	O
along	O
with	O
various	O
free	O
stickers	O
.	O
</s>
<s>
The	O
product	O
was	O
created	O
as	O
a	O
web-based	O
application	O
in	O
2005	O
for	O
accessing	O
multiple	O
chat	O
platforms	O
,	O
including	O
Facebook	B-Protocol
Messenger	I-Protocol
,	O
Google	B-Application
Talk	I-Application
,	O
Yahoo	B-Application
!	O
</s>
<s>
Messenger	B-Protocol
,	O
and	O
Skype	B-Application
chat	O
.	O
</s>
