<s>
Dave	B-Protocol
the	I-Protocol
Resurrector	I-Protocol
was	O
a	O
so-called	O
"	O
resurrector	O
bot	B-Protocol
"	O
that	O
responded	O
to	O
any	O
attempts	O
at	O
canceling	O
a	O
message	O
on	O
the	O
usenet	B-Application
newsgroup	I-Application
news.admin.net-abuse	O
by	O
re-posting	O
the	O
message	O
.	O
</s>
<s>
The	O
bot	B-Protocol
is	O
notable	O
as	O
one	O
of	O
the	O
first	O
escalations	O
in	O
the	O
spam	O
arms	O
race	O
.	O
</s>
