No police officer would ever wear this thing on his head. But, with improvements in the technology, a wearable computer screen like this one could be shrunk to fit unobtrusively inside a pair of sunglasses.
With those shades on, an officer could be talking to a subject at a traffic stop while simultaneously -- and secretly -- receiving information about outstanding tickets and warrants.
The screen, visible, in this device, through a tiny eyepiece, can be controlled either through simple voice commands or by a small tablet computer about the size of the ticket books officers ordinarily carry.
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