Could This Be PS4's Secret Weapon?

[Sal.Paradise]

Icyedge said:
By 2 LEDs I guess they mean 2 LED displays. If not, you need a 3DTV. In any case, that is an awesome tech, but way too expensive for the video game segment.

Dude.

2 LEDs on a pair of glasses.

And even then the video shows they've found a way to do it with just head tracking.