Completely correct. This is not a new idea at all. However TalkingLights had a huge bandwidth limit because they used flourescent lighting. LEDs can go to muc

Completely correct. This is not a new idea at all. However TalkingLights had a huge bandwidth limit because they used flourescent lighting. LEDs can go to much higher speeds - but even still, this isn't new. Researchers in Japan and Boston University have been producing demos for years: http://www.bu.edu/smartlighting/research/smart-light-prototype/ http://www.bu.edu/smartlighting/research/smart-light-prototy... http://www.naka-lab.jp/index_e.html http://www.naka-lab.jp/index_e.html