<s>
Mob	B-Application
Wars	I-Application
is	O
a	O
multiplayer	B-Protocol
role-playing	I-Protocol
game	I-Protocol
hosted	O
on	O
the	O
social	O
networking	O
site	O
Facebook	B-Application
.	I-Application
</s>
<s>
It	O
allows	O
players	O
to	O
engage	O
in	O
Mafia-style	O
wars	O
with	O
one	O
another	O
and	O
has	O
become	O
one	O
of	O
the	O
most	O
lucrative	O
Facebook	B-Application
applications	O
and	O
the	O
first	O
to	O
net	O
US$1M	O
per	O
month	O
in	O
revenue	O
.	O
</s>
<s>
The	O
lawsuit	O
was	O
ultimately	O
settled	O
in	O
December	O
2008	O
with	O
the	O
IP	O
for	O
Mob	B-Application
Wars	I-Application
remaining	O
with	O
Maestri	O
but	O
with	O
SGN	O
allowed	O
to	O
develop	O
their	O
own	O
Mafia	B-Application
based	O
role-playing	O
application	O
.	O
</s>
<s>
In	O
August	O
2008	O
,	O
Mob	B-Application
Wars	I-Application
had	O
2.5	O
million	O
active	O
users	O
.	O
</s>
<s>
It	O
has	O
spawned	O
several	O
very	O
similar	O
games	O
with	O
nearly	O
identical	O
gameplay	O
and	O
format	O
on	O
both	O
Facebook	B-Application
and	O
MySpace	B-Application
,	O
some	O
of	O
which	O
,	O
such	O
as	O
Zynga	O
's	O
Mafia	B-Application
Wars	I-Application
,	O
were	O
the	O
subject	O
of	O
further	O
lawsuits	O
.	O
</s>
<s>
Zynga	O
made	O
some	O
changes	O
to	O
Mafia	B-Application
Wars	I-Application
so	O
it	O
would	O
n't	O
resemble	O
Mob	B-Application
Wars	I-Application
as	O
closely	O
,	O
but	O
Mob	B-Application
Wars	I-Application
creator	O
David	O
Maestri	O
moved	O
forward	O
with	O
his	O
lawsuit	O
.	O
</s>
<s>
Mob	B-Application
Wars	I-Application
is	O
a	O
simple	O
role-playing	O
game	O
.	O
</s>
<s>
Like	O
many	O
Facebook	B-Application
applications	O
,	O
most	O
of	O
the	O
gameplay	O
revolves	O
around	O
having	O
friends	O
of	O
the	O
player	O
join	O
the	O
player	O
's	O
mob	O
through	O
means	O
made	O
possible	O
in	O
the	O
game	O
.	O
</s>
