Social Media Platforms is a weekly scorecard blog tracking the rises and falls of the world's social networks and social media platforms.
Ranking is currently based on number of Twitter followers but is under constant review while I find the best proxy metrics for platform power and influence.
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This blog is the best way to hear about new social platforms as they launch and key business and product changes on the ones you already know.
About the index
The index is currently based on relative Twitter followers among all social media platforms.