If you run you can catch the start of (friend-of-the-show and guidie) Kevin Werbach's course on gamification. 63,000 have signed up so far, but it's ok the class room is big. Internetnet big.
Course stats today so run and hop on the bus: https://www.coursera.org/course/gamification
Hashtag: #gamification12 if you want to follow the discusion on the twitter.
Oh, it's free.