tablet computer

The tablet computer is being hailed by many as a revolutionary device. But there are some critics who say it's a sign that the Internet revolution could be coming to an end.

"With the iPad," says one critic, "you have the anti-Internet in your hands."

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Holiday sales led Apple to its most profitable quarter ever. The new earnings statement was issued in advance of Apple's big announcement expected on Wednesday, and is rumored to be a tablet computer.

While tablet computers are a small fraction of computer sales, many companies are selling or plan to sell tablets in the near future.