No, but almost. First, twitter, unlike facebook, is asymmetric. Therefore, I can follow all my favorite web-celebrities, and they can totally ignore me. Second

No, but almost. First, twitter, unlike facebook, is asymmetric. Therefore, I can follow all my favorite web-celebrities, and they can totally ignore me. Second, because twitter is about more then just the most recent message from that user. It's an aggregation of those messages. I think the real use for twitter comes from either sending out links, or mentioning breaking news (like, for example, tim russert's death, which zipped around twitter long before it broke). In that regard, I think the a more "proper" mental model for twitter isn't so much as aggregated facebook status messages, but more like distributed reddit (except, in a central place... so.. psuedo-distributed?).