The Twitter Universe
Interesting article found at Datavisualization.ch
Oliver Reichenstein and his team focused on the 140 most important people on Twitter and named the Map accordingly Cosmic 140.
How it works
Concentric circles representing the years since the birth of Twitter work as the underlying refence system. The sphere is divided in topical sections to group users from different fields. The topics are Technology (unsurprizingly the biggest group), News, Journalism, Business, Politics, Humor, Sport, Music, Entertainement, Intelectuals and Art & Design. Each Username is displayed with additional data like List Rank, List Volume, Follower Volume or First Tweet
