The head of the Chrome OS announces his departure in a Tweet.

Matthew Papakipos today tweeted, "Now that Chrome OS & WebGL are in good shape, it's time for something new. I'm going to work @ Facebook! Love the product and team. Woot!", thus ending his just over three years at Google where he had a pretty impressive array of responsibilities.  According to his LinkedIn profile (which hasn't been upgraded yet with the news), he:

• Started and managed the Chrome OS project.
• Manage Chrome user interface team.
• Managed Chrome HTML5 apis.
• Started and manage GPU-accelerated 3d APIs for Chrome: O3D, WebGL, etc.
• Started the NativeClient project: Native C++ code for web apps.

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