TweetWheel

TweelWheel lets you find out which of your Twitter friends know each other, and presents it as a vibrant wheel in different colours.
An example:

Traffic rankings are sourced from multiple sources, if available, for the Twitter application. This includes Alexa, and Compete rankings.
May 19th, 2009 at 7:07 AM
Site is apparently no longer active.
June 30th, 2009 at 5:46 AM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in [...]
June 30th, 2009 at 6:01 AM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in [...]
June 30th, 2009 at 6:11 AM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in action. via [...]
June 30th, 2009 at 6:27 AM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in [...]
June 30th, 2009 at 10:33 AM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in [...]
June 30th, 2009 at 12:07 PM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in [...]
June 30th, 2009 at 6:38 PM
A Twitter visualization that clearly doesn’t scale (unless a subset of users is selectable) – http://twitdom.com/tweetwheel/
July 1st, 2009 at 7:35 AM
TweetWheel visualization looks great http://twitdom.com/tweetwheel/
July 2nd, 2009 at 9:52 PM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in [...]
July 20th, 2009 at 6:22 AM
This is a nice graphic, it is a pity the site is now gone.
July 27th, 2009 at 8:06 AM
[...] it was one of the most beautiful Twitter visualizations out there, and Twitter app directory Twitdom still has an image of the tool in action. AKPC_IDS += "234,";Popularity: unranked [?] [...]
August 18th, 2009 at 11:32 AM
@Nandenise die bestaat niet meer http://twitdom.com/tweetwheel/
August 18th, 2009 at 11:35 AM
2525: @Nandenise die bestaat niet meer http://twitdom.com/tweetwheel/ http://bit.ly/10fHDp