All designs that are intended to be used by humans can profit greatly from knowing the abilities and constraints of human senses. Lossy audio compression works so great because of our initmate knowledge of how human hearing works.<p>The trick this screen uses isn't even exactly new. JPG compression has done something very similar for ages (<a href="http://en.wikipedia.org/wiki/YCbCr" rel="nofollow">http://en.wikipedia.org/wiki/YCbCr</a> and <a href="http://en.wikipedia.org/wiki/JPEG#JPEG_codec_example" rel="nofollow">http://en.wikipedia.org/wiki/JPEG#JPEG_codec_example</a>). Digital cameras also use that trick.