The fastest way to register domain names with Twitter - Tweetname
Use Twitter to send a direct message to "tweetname" with the domain you want. We'll reply with "Success!" or "D'oh."
Checking out http://tweetname.com - It lets you register domain names via Twitter [from http://twitter.com/jeroxie/statuses/1637234779]
Service to register domain names via twitter. Oh, I'm in trouble now....