If you do a quick Google search for statistics on the most played Facebook games of the past few months you'll come up with a few familiar names - FarmVille, Cafe World, Birthday Cards, Pet Society. All of these exist solely as social, online games that live in various social networks (although some are exclusive to Facebook).

What's really impressive is the stats attached to them: Farmville, for example, boasts over 75 million monthly active users. Compare that to Modern Warfare 2, arguably the biggest online console game of the moment which claims 25 million unique players across all platforms, and you can see how important these 'games' have become. ...



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