Fromm recently tweeted a screenshot of a Li-Fi reference saying:
Li-Fi testing is already imminent. May appear in the next iPhone 7 according to iOS code in iOS 9.1 firmware.
Li-Fi or Light Fidelity is a bidirectional, high speed and fully networked wireless communication technology similar to Wi-Fi. It's been measured to be about 100 times faster than some Wi-Fi implementations reaching speeds of 224 gigabits per second. [W]
The technology uses light from LEDs to deliver communication by switching the current to the LEDs off and on at a rate unnoticeable by the human eye. Although the LEDs would need to be on to transmit data, it's possible to dim them below human visibility while still emitting enough light to carry data.
PureLiFi already has a Li-Fi system called Li-1st, check out some videos detailing how the system works below.
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Read More [via AppleInsider]