Google reportedly has acquired Digg founder Kevin Rose's mobile-application lab, Milk, in a move that some see as a sign Rose could take a prominent role at Google+. Some say that could bring a dose of social media savvy to Google+, although Rose's detractors note that Digg has lost much of its shine in recent years. "The ex-Digg man could even end up being a thorn in Google's side," Kelly Fiveash writes.

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