Gaming Mechanics: Badges for Huffington Post

As part of my ongoing research into Facebook, I recently connected to Huffington Post – as part of the signup I was told that it’s possible for me to earn badges for my engagement levels with the Huffington Post (see image below).

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This is the first example I have seen of Media taking lessons from Foursquare, et al and using Gaming Mechanics in the form of Badges to drive use.  Please let me know if you have seen other examples.