Top Twitterers: US, Canada, Norway, Australia, UK, New Zealand
[UPDATE:] Here is the updated Twitter nation data from January 2010 Sysomos has just released extensive research on Twitter use, filled with all sorts of fascinating information, such as 72% of Twitter users have joined since the beginning of this year, 53% of Twitterers are women, and marketers are 50 times more likely than normal […]