SMS can be chained seamlessly to form longer messages. SMS is frequently between two parties, twitter is the opposite. I'd say SMS is very good for (asynch elec

SMS can be chained seamlessly to form longer messages. SMS is frequently between two parties, twitter is the opposite. I'd say SMS is very good for (asynch electronic) conversations between two people, twitter for one-way short thoughts that are fire-and-forget. But then, can we really call it a conversation when potentially twitter user base is included in the event? It's more like lotsa people on a town square, shouting. Including the town idiots.