Case in point: the guy on the right. Sure, he's probably a mild-mannered, law-abiding citizen, but with NEC's Tele Scouter strapped to his spectacles, he looks just a wee bit sinister, doesn't he? The system he's wearing consists of a paperback-sized computer powered by an ARM 500MHz CPU and an AirScouter display mounted atop a pair of glasses. The display, manufactured by Brother, projects images upon the naked eye, but NEC insists that it won't completely block a user's field of vision. To the viewe