Mikael Hed is unrepentant about the 200 million minutes per day that people around the world fritter away playing Angry Birds, the iPhone game created by the company he heads. "It's great. Think of ...

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“It's great. Think of all the other stuff they could be doing that's so much more boring,” said the chief executive of Rovio Mobile, a Finnish start-up almost unheard of before it unleashed the ...