Cool : TwittEarth

Thanks to Papervision and Yahoo Local API, TwittEarth is offering a 3D earth view of the Twitter activity :

Twitter Blocks is a really cool tool

Twitter blocks is a really cool 3d navigation to browse between your twitter's contacts...

(Thanks Polo for the link.)

I am using Tweetr too, to read & post twits as easy as with a messenger...