Interesting thread on how no-followed blog comments still gets the page to turn up for a deliberately misspelled term.
http://www.michellemacphearson.com/do-nofollow-links-count-redux/
A quick check appears to confirm it -
Social Marketing by Michelle MacPhearson
http://www.michellemacphearson.com/do-nofollow-links-count-redux/
A quick check appears to confirm it -
Social Marketing by Michelle MacPhearson