Here are a couple of links on the statistics about Social Networking Sites (SNSes) 

Facebook user statistics:

-[[http://www.facebook.com/press/info.php?statistics]]

-[[ http://www.checkfacebook.com/]]


A list of the most popular Twitter users

- [[http://twittercounter.com/]]


And the latest SNS (or something equivalent to it) to hit the streets: Google Buzz! For those who have yet to try it, it's in your GMail account. Here are a couple of sites that talk about Google's attempt to rival Facebook:

- [[http://mashable.com/2010/02/09/google-buzz/]]

- [[http://www.mobilecrunch.com/2010/02/09/the-world-is-all-a-buzz-over-googles-new-social-networking-service/]]

- [[http://gizmodo.com/5469056/google-buzz-ad-parodythis-is-a-parody-right]]