Similar products have long been on the market, of course, but these weigh less than 3 ounces without theof other devices. The glasses have two LCDs with 640-by-480-pixel resolution and can project a 57-inch screen at distances of about 6.5 feet. As is the case with most things tiny, however, you'll need to pay for the privilege of wearing them--to the tune of about $600.
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