Light Transmitting Data

In CWorld.  Aka Li-Fi.   We looked at this for some specialized retail applications, it has been around for sometime.  It still does not transmit through walls or around corners.   But we all use lighting broadly.   Short non technical introductory piece.  " .... Yes, multiple tests have shown that LED lighting fixtures can transmit wireless data at very competitive high speeds. A commercial product started shipping several months ago. .... "