> RGB LEDs shining just colors at your periphery. That sounds like a way that may actually work (and don't cost too many penny). Just put dozens of programmabl

> RGB LEDs shining just colors at your periphery. That sounds like a way that may actually work (and don't cost too many penny). Just put dozens of programmable LEDS at the edge of your view. And shining correspond colored light when someone actually use a flashlight to point at you. That might even be used as a safety measure without block your view.