Qwer.ly
Does "qwerty" sound like a familiar phrase? How about qwer.ly then? Meet a new service from Niederhofer Limited.
They are building a simple but powerful whois for Twitter to help you with finding out more about the people you follow. At the moment it is only possible to sign up via a custom invite email.
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Short link: http://name.ly/~rTBC$6p
Now, that they went live, I have to say it. There used to be a test user DUPA (ass in Polish), shame they have removed it.
http://qwerly.com/dupa