Social Media World map

Waiting for an updated map based on active accounts, here is a map designed on usage (hours per week)
Greg Verdino in the article comments the map noting that Friendster still dominate in Asia (after its debacle in the US) and that Cyworld and Gaiaonline are something more than just social networking sites because they incorporate virtual world elements.
The map is courtesy of Le monde
via SocialMediaToday

Cultural elements, business models, friends presence, which are the causes of a social media success?

Here is another interesting resource about Social Media mapping, but... it seems that it is based on Alexa browser plugin data and well... read the comments to the post.

data collected by Valleywag