How Twitter And Email Can Benefit Targeted Marketing

Has Twitter jumped the shark, or has it barely scratched the surface of what it is capable of in terms of targeted marketing opportunities? I believe the latter is true, but the jury is still out. Usually, when the mainstream media piles on a new fad, as it did in virtually the same fashion with Facebook, ("Tonight at 11, married couples who met on Twitter/Facebook, plus how to find a job through social networking"), the marketing community shrugs and decides it needs to move on. But Twitter, like Facebook, seems to have real marketing legs behind it, not to mention a rapidly growing audience. I say that especially after it has passed through the email marketing gauntlet. What I mean is that over the past 10 years, as a new trend comes along, two things happen...