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The head-up display, which projects information onto the windshield for drivers, has been available in some cars since 1988. But while over the past decade they've gone from relatively simple information displays like speed and music selections, Panasonic wants to take things to another level by precisely linking up symbols and text with real-world objects and roadways in front of the car.

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Each year, big TV makers display the dazzling technology that could eventually come to your home TV set, though generally not soon.