<s>
Zune	B-Device
Social	I-Device
was	O
the	O
online	O
component	O
of	O
Microsoft	O
's	O
Zune	B-Library
initiative	O
.	O
</s>
<s>
It	O
has	O
been	O
compared	O
to	O
iLike	O
and	O
Last.fm	B-Application
in	O
that	O
it	O
tracked	O
and	O
displayed	O
,	O
or	O
"	O
scrobbled	B-Application
"	O
,	O
songs	O
that	O
the	O
user	O
had	O
played	O
.	O
</s>
<s>
The	O
central	O
component	O
of	O
Social	O
was	O
the	O
Zune	B-Device
Card	I-Device
.	O
</s>
<s>
It	O
was	O
a	O
Flash-based	O
widget	O
that	O
could	O
be	O
embedded	O
on	O
other	O
sites	O
and	O
social	O
networking	O
pages	O
(	O
Myspace	B-Application
,	O
Facebook	B-Application
,	O
etc	O
.	O
)	O
.	O
</s>
<s>
Select	O
songs	O
had	O
an	O
option	O
to	O
preview	O
a	O
30-second	O
clip	O
,	O
and	O
users	O
could	O
download	O
the	O
song	O
via	O
Zune	B-Library
Marketplace	O
,	O
suggest	O
the	O
song	O
to	O
a	O
friend	O
,	O
or	O
add	O
it	O
as	O
one	O
of	O
their	O
favorites	O
.	O
</s>
<s>
In	O
May	O
2008	O
,	O
Microsoft	O
added	O
reputation	O
badges	O
to	O
users	O
 '	O
Zune	B-Device
Cards	I-Device
,	O
which	O
could	O
be	O
earned	O
by	O
having	O
listened	O
to	O
an	O
album	O
or	O
artist	O
a	O
certain	O
number	O
of	O
times	O
,	O
or	O
by	O
making	O
helpful	O
posts	O
in	O
the	O
Zune	B-Library
forums	O
.	O
</s>
<s>
In	O
addition	O
,	O
Zune	B-Device
Cards	I-Device
could	O
be	O
synced	O
with	O
user	O
's	O
devices	O
;	O
subscribers	O
to	O
Zune	B-Library
Pass	O
could	O
in	O
this	O
way	O
download	O
all	O
the	O
songs	O
on	O
their	O
friends	O
 '	O
cards	O
.	O
</s>
<s>
Comparisons	O
to	O
Microsoft	O
's	O
Xbox	B-Application
Live	I-Application
Gamertag	O
were	O
inevitable	O
,	O
as	O
the	O
two	O
services	O
use	O
the	O
same	O
back-end	O
.	O
</s>
<s>
They	O
differed	O
in	O
that	O
the	O
Gamercard	O
showed	O
the	O
user	O
's	O
recently	O
played	O
games	O
,	O
while	O
the	O
Zune	B-Device
Card	I-Device
displayed	O
recently	O
played	O
songs	O
.	O
</s>
<s>
Users	O
signed	O
into	O
the	O
service	O
via	O
Windows	O
Live	O
ID	O
and	O
could	O
link	O
their	O
Gamertag	O
and	O
Zune	B-Library
tag	O
so	O
that	O
friends	O
on	O
Xbox	B-Application
Live	I-Application
would	O
carry	O
over	O
to	O
the	O
other	O
service	O
.	O
</s>
<s>
Songs	O
played	O
on	O
the	O
device	O
were	O
recorded	O
during	O
the	O
sync	O
process	O
,	O
though	O
the	O
order	O
they	O
show	O
up	O
on	O
the	O
Zune	B-Device
Card	I-Device
was	O
a	O
result	O
of	O
the	O
sync	O
order	O
(	O
not	O
play	O
order	O
)	O
.	O
</s>
<s>
Only	O
albums	O
that	O
were	O
in	O
AMG	O
and	O
Zune	B-Library
Marketplace	O
were	O
shown	O
,	O
and	O
plays	O
were	O
kept	O
in	O
the	O
database	O
for	O
28	O
days	O
only	O
.	O
</s>
<s>
If	O
a	O
user	O
listened	O
to	O
an	O
artist	O
or	O
album	O
enough	O
times	O
,	O
Zune	B-Library
awarded	O
that	O
user	O
a	O
badge	O
.	O
</s>
<s>
Users	O
also	O
earned	O
badges	O
for	O
contributing	O
useful	O
information	O
to	O
the	O
Zune.net	O
forums	O
and	O
for	O
reviews	O
.	O
</s>
