Killing Blog Comment Spam

Steve Rubel posted today about a technique Google's supposedly testing out that will remove the incentive for comment spammers. The technique relies on using the "rel" attribute of the anchor tag. It would look something like this... says "Google are soon to announce that they won't be calculating PageRank for links with a rel="nofollow" attribute. Finally, an official way of fighting the economics of comment spam by denying PageRank on user-submitted link content. Sam Ruby points to Mark Pilgrim's prediction that spammers won't care - they'll spam anyway, on the offchance that they hit somewhere undefended. I'm optimistic - if the major weblog (and wiki) vendors get behind this one it could help stem the tide." If it's true then I wonder what the implications are for up. Jason Dowdell is a technology entrepreneur and operates the