The Register announced yesterday that google have confirmed they’re working on a desktop project called goobuntu :
goobuntu.png

Google has confirmed it is working on a desktop linux project called Goobuntu, but declined to supply further details, including what the project is for.
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The Goobuntu.com domain has been registered in the past couple of days, though presumably not by Google. It now redirects to a Cuban portal. Perhaps Google will have to think of a new name for the system before they launch it to the wider public