100x Faster Than Wi-Fi: Li-Fi, Light-Based Networking Standard Released
Proponents boast that 802.11bb is 100 times faster than Wi-Fi and more secure.
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I've been at Siemens and saw their Li-Fi lamps, it's pretty cool tech, they use PoE so just one cable for the light and ethernet and then you attach a small receiver to your computer to access the bulb above you.