Can a computer tell how you're feeling?

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The outfit that invented the Picturephone has gone well beyond it.

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Intel wants to be the brains in your mobile phone. Nvidia might get there first.

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Google is using millions of unseen allies in its war with Facebook.

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Microsoft's Kinect game device gives it a leg up in the battle for control of your living room.

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Meet the man who paid a record $335,000 for a virtual property.

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