<s>
Nielsen	B-Application
RingScan	I-Application
is	O
a	O
weekly	O
point-of-sale	O
tracking	O
service	O
of	O
ringtones	O
and	O
is	O
offered	O
by	O
Nielsen	O
Mobile	O
,	O
a	O
division	O
of	O
a	O
Nielsen	O
Entertainment	O
.	O
</s>
<s>
RingScan	B-Application
currently	O
reports	O
on	O
polyphonic	O
,	O
master	O
and	O
voice	O
ringtones	O
and	O
will	O
expand	O
to	O
include	O
ringbacks	O
and	O
other	O
types	O
of	O
ringtones	O
.	O
</s>
<s>
RingScan	B-Application
is	O
utilized	O
as	O
the	O
source	O
material	O
for	O
Billboard	O
Magazine	O
's	O
weekly	O
ringtone	O
charts	O
.	O
</s>
<s>
The	O
data	O
is	O
aggregated	O
to	O
produce	O
sales	O
reports	O
for	O
each	O
market	O
represented	O
in	O
RingScan	B-Application
.	O
</s>
