Twitter is, of course, alive and well. Even a claim that it has jumped the shark would probably be quite premature.
Still, setting aside the sms features, I wish I could cruft a twitter-like experience using rss any friends' blogs. And why not? What's a following list but a blogroll? What's a follower's list but a kind of one-click-guest-book? I know, I know. There's more. But first and foremost that "more" is people. If I could get my peeps (or those peeps I think of as "my kind of people" to play as I'm describing, well, there'd be no reason to go elsewhere.
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