Billionaire wore prototype of gadget that could allow mobile data-downloading with voice commands
A small screen sits on the right-size of the right lens, along with a camera, microphone and speakers, meaning, potentially, that the user could point the camera at, say, subway passengers and use facial recognition software to inform them of their name, occupation and everything else, such as the time they wore an embarrassing outfit on a train.
Brin, a Moscow-born computer scientist, co-founded Google with Larry Page in 1998. He is now estimated to have a personal fortune of more than $20bn.
