writes "On the day before the Intel Developer Forum opens in San Francisco, Intel has been showing off some of its current research projects, including a system for encoding data in apparently steady light sources, a Kinect-based projected 'touch interface' that works on any surface and an ambitious signage concept that could revolutionise your weekly shop."
My favorite thing about light-based networking
is that it's the basis of a certain strain of (all too plausible, all too often) conspiracy theory
. ("The modern LED 'eco-friendly' light bulb is also a two-way communications device." — easy to believe, since many of them can be