Name one. The processor, the battery, the cameras, the emitters… the list goes on and on. The reality is that these systems are NOT infinitely miniaturizable. There’s a limit on how small you can make any of them. And then there’s heat management. Know how your iPhone gets hot when you do really intensive things on it? How’s that going to work on your FACE?
I mean, seriously. The issues here couldn’t be more blatant. The notion that this can be implemented in a standard size glasses frame is simply unrealistic.