A screengrab shows the Google Wallet app being used to pay for items at a CVS store.

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For his upcoming biography of Apple co-founder Steve Jobs, Walter Isaacson conducted more than 40 interviews with the enigmatic tech leader.

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Republican presidential candidate former Massachusetts Gov. Mitt Romney, right, makes a point as Texas Gov. Rick Perry listens, during a debate in Orlando, Fla. Phelan M. Ebenhack/AP hide caption

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Variations On Chocolate Cake: Google's new Recipe View is designed to help cooks sift through recipes on the web. Here, the results for a search for Molten Chocolate Cake. NPR hide caption

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