A big home for all facts and figures around social media - because I'm fed up of trawling around for them and I'm also sure that I'm not the only one who gets asked 'how many users does Facebook have?' Social Media Statistics: Welcome to Social Media Statistics
10 Stunning (And Useful) Stats About Twitter UPDATE: Follow me at @rohitbhargava if you liked this post!
1. Index twitter.com - Quantcast Audience Profile
Is 22 Tweets-Per-Day the Optimum?