The Economics of Twitter?
nostrademons: They're betting that with 10 million users, Twitter will find some way to monetize them.  Historically, this is a pretty good bet: it worked for Netscape, Google, HotOrNot, MySpace, and FaceBook.In interviews, Ev's said that the plan is basically to charge for commercial usage of Twitter, probably based off of number of followers.  Several companies are now Twittering product announcements and status information to customers; this is fairly readily monetizable, since they have deep pockets and gain a commercial benefit from it.