LED light-up carpet helps you find your way - LED system that displays light-up signage through carpet
An interesting article regarding carpet technology in the not too distant future......
"This light-transmissive carpet solution is designed to engage directly with people's senses and the eye's natural inclination to seek out light. "The technology takes advantage of people's tendency to be guided by the floor when moving through and interacting with space. It brings information, direction, inspiration and safety via the carpet you walk on.