The Microsoft Surface, a horizontal touch-screen computer with neither keyboard nor mouse, will go on sale in November.

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Believe it or not, the config really does make a difference, enabling a more immersive experience that makes 3D objects appear more realistic, assuming they're positioned in such a way that they're standing on the near-horizontal portion of the screen.

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Once you get past the unusual color choice, the first thing you'll notice is that the 1.25-inch LCD screen has a horizontal orientation rather than the vertical one you'll find on the iPod mini and most other MP3 players.

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If you take an iPad and hold it upright in portrait view and draw an imaginary horizontal line halfway down the screen, the screens on the seven-inch tablets are a bit smaller than the bottom half of the iPad display.

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Cutting out the sometimes distracting glare of glossy displays, the matte screen is still sufficiently bright and horizontal viewing angles continue to be better than vertical ones.

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Powered by the Android 2.1 platform, Samsung Epic 4G also supports a series of advanced touch screen gestures including multi-touch pinch, long tap and zoom and vertical and horizontal swiping.

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It is also equipped with Easy-Slide image correction, an intuitive horizontal keystone adjustment slide control bar allowing users to place the projector off-center from the screen and easily center the image with the touch of a finger.

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