Another alternative to the mouse as a pointing device is to use a gaze-tracking camera, which works out where you are looking and moves an on-screen pointer accordingly.

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Consider the status quo: To operate computers, most people peck away at keyboards and use a mouse to scoot a digital pointer across the screen.

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The primary differences are changes that make sense when a mouse pointer and a larger screen area are available.

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Iowa led 37-34 at halftime after reserve guard Josh Oglesby came off a screen to hit a 3-pointer in the final seconds.

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Using a pointer device you can pick any place on a traditional-looking globe and the screen display below spews out facts and figures about the locale.

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