Are Business.com using NoFollow? It would appear so.
Wasn’t NoFollow intended for to stop drive-by blog spamming?Â
“Q:What types of links should get this attribute? A: We encourage you to use the rel=”nofollow” attribute anywhere that users can add links by themselves, including within comments, trackbacks, and referrer lists. Comment areas receive the most attention, but securing every location where someone can add a link is the way to keep spammers at bay”