<s>
Windows	B-Device
Live	I-Device
Expo	I-Device
(	O
codenamed	O
Fremont	O
)	O
was	O
described	O
by	O
Microsoft	O
as	O
an	O
"	O
online	O
social	O
marketplace	O
"	O
.	O
</s>
<s>
Results	O
could	O
be	O
mapped	O
using	O
Live	B-Application
Search	I-Application
Maps	I-Application
,	O
users	O
could	O
contact	O
the	O
poster	O
of	O
a	O
listing	O
via	O
Windows	B-Protocol
Live	I-Protocol
Messenger	I-Protocol
and	O
promote	O
their	O
own	O
listing	O
on	O
Windows	O
Live	O
Spaces	O
.	O
</s>
