<s>
Rollyo	B-Application
was	O
a	O
Yahoo	B-Application
!	I-Application
-powered	O
search	B-Application
engine	I-Application
which	O
allowed	O
users	O
to	O
register	O
accounts	O
and	O
create	O
personalized	O
search	B-Application
engines	I-Application
.	O
</s>
<s>
Each	O
search	B-Application
engine	I-Application
could	O
include	O
up	O
to	O
25	O
websites/blogs	O
chosen	O
by	O
the	O
user	O
.	O
</s>
<s>
Search	B-Application
results	I-Application
were	O
limited	O
to	O
the	O
sites	O
included	O
in	O
a	O
particular	O
search	B-Application
engine	I-Application
.	O
</s>
<s>
Additionally	O
,	O
users	O
could	O
share	O
their	O
"	O
rolled	O
"	O
engines	O
with	O
other	O
contributors	O
or	O
post	O
a	O
mini	O
search	O
box	O
to	O
the	O
user	O
's	O
website	O
using	O
HTML	B-Language
.	O
</s>
<s>
It	O
was	O
also	O
possible	O
to	O
add	O
each	O
"	O
searchroll	O
"	O
to	O
the	O
Mozilla	B-Application
Firefox	I-Application
search	O
bar	O
and	O
to	O
make	O
Rollyo	B-Application
the	O
default	O
search	B-Application
engine	I-Application
for	O
Firefox	B-Application
.	O
</s>
<s>
The	O
name	O
"	O
Rollyo	B-Application
"	O
was	O
a	O
take	O
on	O
the	O
phrase	O
"	O
roll	O
your	O
own.	O
"	O
</s>
