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    Marissa Mayer takes over at Yahoo!

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Marissa Mayer takes over at Yahoo!

Former Google executive Marissa Mayer has taken over as CEO of Yahoo! CNN's Zoraida Sambolin has this profile.

Marissa Mayer takes over at Yahoo!

Former Google executive Marissa Mayer has taken over as CEO of Yahoo! CNN's Zoraida Sambolin has this profile.