I'm getting increasingly interested in how game design mechanics are being used to drive online community behavior. From Flickr to Slashdot, the idea of online persistent karma in an online community is slowly being morphed from a way to track inputs into a game in and of itself. Of course, Gamespot's community has been explictly doing just this, and is one of the most literal uses of RPG elements in an online community. So I'm going to start posting here more regularly and see what happens. If anyone reads this and has other examples of games in web communities, I would love to hear about them.  Thanks in advance.