<s>
WiseNut	B-Application
was	O
a	O
crawler-based	O
search	B-Application
engine	I-Application
that	O
officially	O
launched	O
on	O
September	O
5	O
,	O
2001	O
.	O
</s>
<s>
Like	O
Teoma	B-Application
,	O
WiseNut	B-Application
automatically	O
clustered	O
search	B-Application
results	I-Application
,	O
a	O
technology	O
called	O
WiseGuide	O
.	O
</s>
<s>
Despite	O
being	O
referred	O
to	O
as	O
a	O
"	O
Google	O
killer	O
"	O
and	O
having	O
a	O
good	O
start	O
,	O
WiseNut	B-Application
never	O
managed	O
to	O
become	O
a	O
major	O
search	B-Application
engine	I-Application
.	O
</s>
<s>
It	O
lacked	O
boolean	O
search	O
in	O
the	O
standard	O
search	O
and	O
other	O
advanced	O
search	B-Application
features	I-Application
.	O
</s>
<s>
On	O
March	O
12	O
,	O
2002	O
,	O
LookSmart	O
announced	O
that	O
they	O
would	O
be	O
acquiring	O
WiseNut	B-Application
for	O
about	O
$9.25	O
million	O
in	O
stock	O
.	O
</s>
<s>
WiseNut	B-Application
shut	O
down	O
in	O
late-September	O
2007	O
.	O
</s>
