May be this is already known to everyone, but I didn't see that this technique was implemented here in this forum.

The main reson for comment spam is to increase the page rank of the website mentioned in the comment.

Here's a neat way to defeat the purpose of comment spams in any forum:

http://googleblog.blogspot.com/2005/...ment-spam.html

http://www.seoconsultants.com/html/links/nofollow.asp

Say NO to