This Video tells the new technology Li-Fi (Using LED Light). It is 100X faster than Wi-Fi. You can download 18HD movies in 10 seconds.
It is invented by Professor Harald Haas, from the University of Edinburgh in the UK. He is widely recognized as the original founder of Li-Fi. Wi-Fi utilizes radio waves, Li-Fi uses visible light. Wi-Fi is close to full capacity, Li-Fi has almost no limitations on capacity. The visible light spectrum is 10,000 times larger than the entire radio frequency spectrum. Li-Fi is expected to be ten times cheaper than Wi-Fi.
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