In a
pretty good article about the popularity of Twitter, John Dvorak posits that there are two types of users for Twitter. BO and AO, standing for Before Oprah and After Oprah. I think I fall into a third category I will call DGASAO
Dont Give A Shit About Oprah
He also makes a very good point comparing Twitter to the original CB radio explosion and halfway predicts that it will go into the same death spiral and fail. He is probably right.