If you want an update on the rapidly expanding world of social media and you prefer maps and graphs to textual description and analysis, we’ve found the right set of data for you: Check out the 2008 Social Network Analysis Report as presented by the Ignite Social Media agency. It outlines demographic, geographic and traffic data for a wide range of social network sites from the well-known (eg. Facebook) to the more obscure (eg. Teamsugar).

Digg Geographic Data