<s>
Grub	B-Application
is	O
an	O
open	B-Application
source	I-Application
distributed	B-Operating_System
search	I-Operating_System
crawler	O
platform	O
.	O
</s>
<s>
Users	O
of	O
Grub	B-Application
could	O
download	B-Application
the	O
peer-to-peer	O
grubclient	O
software	B-Application
and	O
let	O
it	O
run	O
during	O
their	O
computer	O
's	O
idle	O
time	O
.	O
</s>
<s>
The	O
client	O
indexed	O
the	O
URLs	O
and	O
sent	O
them	O
back	O
to	O
the	O
main	O
grub	B-Application
server	B-Application
in	O
a	O
highly	O
compressed	O
form	O
.	O
</s>
<s>
Grub	B-Application
was	O
able	O
to	O
quickly	O
build	O
a	O
large	O
snapshot	O
by	O
asking	O
thousands	O
of	O
clients	O
to	O
crawl	O
and	O
analyze	O
a	O
small	O
portion	O
of	O
the	O
web	O
each	O
.	O
</s>
<s>
Wikia	O
has	O
now	O
released	O
the	O
entire	O
Grub	B-Application
package	O
under	O
an	O
open	B-Application
source	I-Application
software	I-Application
license	O
.	O
</s>
<s>
However	O
,	O
the	O
old	O
Grub	B-Application
clients	O
are	O
not	O
functional	O
anymore	O
.	O
</s>
<s>
Intellectual	O
property	O
rights	O
were	O
acquired	O
from	O
Grub	B-Application
in	O
January	O
2003	O
for	O
$1.3	O
million	O
in	O
cash	O
and	O
stock	O
by	O
LookSmart	O
.	O
</s>
<s>
For	O
a	O
short	O
time	O
the	O
original	O
team	O
continued	O
working	O
on	O
the	O
project	O
,	O
releasing	O
several	O
new	O
versions	O
of	O
the	B-Application
software	I-Application
,	O
albeit	O
under	O
a	O
closed	O
license	O
.	O
</s>
<s>
Operations	O
of	O
Grub	B-Application
were	O
shut	O
down	O
in	O
late	O
2005	O
.	O
</s>
<s>
On	O
July	O
27	O
,	O
2007	O
,	O
Jimmy	O
Wales	O
announced	O
that	O
Wikia	O
,	O
Inc.	O
,	O
the	O
for-profit	O
company	O
developing	O
the	O
open	B-Application
source	I-Application
search	O
engine	O
Wikia	O
Search	O
,	O
had	O
acquired	O
Grub	B-Application
from	O
LookSmart	O
on	O
July	O
17	O
for	O
$	O
50,000	O
.	O
</s>
