Steve Gillmor looks at the various Twitter-based services that use an XMPP data stream. I’ve always wondered how Summize gets their Twitter data. Frankly I’d like to see Summize bought out by Twitter sometime in the future and become an integral part of the service, rather than a third-party implementation.

UPDATE: A deal seems to be in the works, and the overall sentiment seems to be fluctuating between “so-so” and “bad”.