In a surprise move that has gamers stunned, Vivendi (divisions of which include Blizzard and Sierra) and Activision (publishers of Guitar Hero III, Call of Duty 4, Tony Hawk's Proving Ground and more) have merged in a deal worth $18.9 billion. The resulting company, Activision Blizzard, is now the world's largest video games publisher.

Exactly what this means for PS3 owners (or any other gamers, for that matter) is unclear as of yet. No doubt we'll hear more details regarding the merger and what this means with regards to Vivendi Blizzard's gaming frachises over the coming weeks. We'll be sure to keep you up to date as more information becomes available.

This article was originally published on Joystiq.

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