Can Google (GOOG) OpenSocial Platform Compete With Facebook?

The new Google (GOOG) OpenSocial Platform list of sites includes Orkut, Salesforce, LinkedIn, Ning, Hi5, Plaxo, Friendster, and Viadeo. Below is a chart from Hitwise comparing the audience to Facebook.

Facebook is nines times larger. Seem tough for the forces from Google.

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