Imagine a world where every one of the billions of lightbulbs in use today is a wireless hotspot delivering connectivity at speeds that can only be dreamed of with Wi-Fi. Li-Fi deliver speeds 100 times faster than current Wi-Fi technology in actual tests.
An Estonian startup called Velmenni used a Li-Fi-enabled lightbulb to transmit data at speeds as fast as 1 gigabit per second, meaning a high-definition film could be downloaded within seconds. So, just what is Li-Fi and how does it work.
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