There's an interesting article from last year over on Macworld about how spammers try to use comment systems on discussion forums to promote their wares.
Christopher Breen, one of their moderators, dug into the world of Chinese companies promoting dodgy (as in "don't work very well") video converters. "The software is advertised through forum spam -- usually in the form of tutorials that show you how to use it -- but there's sock puppeting going on as well," he says. "These companies will often first pose a question along the lines of 'How do I convert my videos for the iPad?' and then, under a different identity (but using the same IP address), answer their o
