John Mayer graduates out of Twitter
April 27, 2010
TC: John Mayer Predicts Deadpool For Twitter
So basically, he's realized he wants to be a blogger, not a microblogger, because he has better control over his own site than he does over Twitter.
If Twitter is just a gateway drug to the real world of blogging, so be it. We just need real-time blog distribution systems (like PubSubHubBub and rssCloud) to provide Twitter-esque UX and it's not much of an issue.