<s>
Sam	B-Application
Spade	I-Application
was	O
the	O
name	O
of	O
a	O
Windows	O
software	O
tool	O
designed	O
to	O
assist	O
in	O
tracking	O
down	O
sources	O
of	O
e-mail	O
spam	O
.	O
</s>
<s>
The	O
Sam	B-Application
Spade	I-Application
utility	O
was	O
authored	O
by	O
Steve	O
Atkins	O
in	O
1997	O
.	O
</s>
<s>
It	O
is	O
named	O
after	O
the	O
fictional	O
character	O
Sam	B-Application
Spade	I-Application
.	O
</s>
