<s>
The	O
LifeCam	B-Application
is	O
a	O
lineup	O
of	O
webcams	B-Protocol
from	O
Microsoft	O
for	O
PC	O
users	O
marketed	O
since	O
2006	O
.	O
</s>
<s>
Various	O
models	O
and	O
series	O
of	O
webcams	B-Protocol
are	O
designed	O
for	O
either	O
laptops	O
or	O
desktops	O
.	O
</s>
<s>
The	O
VX	O
series	O
of	O
Microsoft	B-Application
LifeCam	I-Application
debuted	O
on	O
13	O
June	O
2006	O
,	O
and	O
were	O
available	O
for	O
sale	O
in	O
August	O
2006	O
as	O
Microsoft	O
's	O
first	O
entry	O
into	O
selling	O
webcams	B-Protocol
,	O
with	O
only	O
two	O
models	O
,	O
the	O
VX-3000	O
and	O
VX-6000	O
.	O
</s>
<s>
One	O
of	O
the	O
exclusive	O
features	O
include	O
the	O
integration	O
with	O
Windows	B-Protocol
Live	I-Protocol
Messenger	I-Protocol
,	O
by	O
having	O
a	O
Windows	O
Live	O
Call	O
button	O
that	O
can	O
be	O
used	O
to	O
easily	O
initiate	O
a	O
video	O
call	O
.	O
</s>
<s>
All	O
webcams	B-Protocol
of	O
this	O
series	O
interface	O
via	O
USB	B-Protocol
.	O
</s>
<s>
All	O
webcams	B-Protocol
of	O
the	O
NX	O
series	O
are	O
designed	O
for	O
notebooks	O
and	O
interfaces	O
via	O
USB	B-Protocol
2.0	O
.	O
</s>
