Brian Solis knock off. A bit easier to read. Some of the media could be in multiple categories, but it's a good framework for thinking about what you're doing with each too. Social Network, Panorama Des, Landscapes 2012, Social Media Landscapes, Average Sociaux, Media Infographic, Des Média, Socialmedia, Medium
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The Rise and Fall of Online Empires - The social media landscape is an ever changing ecosystem that doesn’t really bend with the creativity of its founders. It is all up to the users these days, and that pretty much determines whether a service is going to last or fall into the shadows of a new, more interesting, social media site.