3/26    Can LCDs be transparent, without the back whitelight? I'm asking
        because I think it would be REALLY cool if you can layer one
        transparent LCD after another. And if would be cool if there is
        an eye focus webcam that can track your eyes and make whatever
        layer you're looking at brighter than the other LCDs. Someday...
        \_ try google Organic LED (OLED)
        \_ Wouldn't it be even better if it can bring the layer you're looking
           at to the front instead of just making it brighter?  Oh wait, it
           already exists.  It's called windowing GUI, and it requires one LCD.