<s>
Talkbox	O
Messenger	O
(	O
formerly	O
named	O
TalkBox	O
and	O
Talkbox	B-Operating_System
Voice	I-Operating_System
Messenger	I-Operating_System
)	O
is	O
a	O
smartphone	B-Application
application	O
that	O
enables	O
users	O
of	O
iPhone	B-Device
,	O
Android	B-Application
,	O
Windows	B-Protocol
Phone	I-Protocol
and	O
BlackBerry	B-Application
to	O
easily	O
communicate	O
via	O
push-to-talk	O
instant	O
voice	O
messages	O
as	O
well	O
as	O
sharing	O
geo-location	O
,	O
pictures	O
and	O
group	O
chat	O
with	O
one	O
another	O
.	O
</s>
