Light bulb networks could be the next WiFi

"If researchers at Boston University's College of Engineering have their way, light bulbs of the future may be the highway your data gets carried along. A team at the school is working on low-power LEDs which could utilize an optical communication system to carry data wirelessly. Using a technique which rapidly switches the LEDs on and off data transmissions could be made via imperceptible -- yet undoubtedly brain-scrambling -- flickering patterns, and each light would be its own network entry point at speeds of 1 to 10Mbps."

[via engadget]