Networking by flickering lights gets some commercial traction

https://www.youtube.com/watch?v=wQTlqIwvs8E

Philips has acquired Luciom, a French startup that makes Li-Fi products, which allow for very fast network connections over short distances by flickering an LED at speeds that are too fast to register on the human eye, and which can ever work in the dark by operating at low dimness settings the human eye perceives as "off." (more…)