Steve Rubel: Several bloggers have reported that Winer was testing a new Google linking mechanism that might put an end to blog comment spam by omitting all links from its PageRank calculations that have a rel="nofollow" attribute tag.
Randy: Another attempt to stop blog comment spam. I have to wonder if this one will work. The problem is distribution. If less than half of the blogging software giants (Typepad, LiveJournal, Blogger, Radio) implement it, then blog comment spam will continue.
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