Really, I don’t think anyone will use it. Good idea, however, and easy to tack on rel=”nofollow” to all blog comments. It also probably will not cut down on spam at all, as other engines still follow the links and if one person clicks the link, it’s worth it to them to keep their bots spamming.
a href=”http://spamfreepokerpokerpoker.com/” rel=”nofollow”
In other Google news, Picasa 2 has been released.