And the Wi-Fi-only version lacks GPS. Also, videophiles may dislike the fact that the iPad's screen lacks wide-screen dimensions, so you either get black bars above or below wide-screen videos, or, if you choose an option to fill the screen, some of the picture may get cut off.

WSJ: iPad Opens a New Frontier

Worse, using the high-definition wide-screen mode puts black bars at the top and bottom of the viewfinder, reducing the effective pixel count by 25%.

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