A lot of people seem to have issues with Dave Winer, but when it comes to emerging technologies it's tough to argue with his track record. He's been offering consistently insightful observations about Twitter, its users and their future together. Here's the latest — it's definitely worth a read, although if you haven't been following the discussions surrounding federated Twitter clones and identi.ca specifically, you might need to peruse his archives for it to make much sense.