Sysomos | In-Depth Look Inside the Twitter World

http://sysomos.com/insidetwitter/

 85.3% of all Twitter users post less than one update/day 21% of users have never posted a Tweet 93.6% of users have less than 100 followers, while 92.4% follow less than 100 people. 5% of Twitter users account for 75% of all activity New York has the most Twitters users, followed by Los Angeles, Toronto, San Francisco and Boston; while Detroit was the fast-growing city over the first five months of 2009 Sent from my Verizon Wireless BlackBerry