Li-Fi is an emerging technology that uses high-frequency modulation in LED light emission to encode information. An article recently published in the IEEE’s The Institute reports Li-Fi can pass data at 10 GB per second, about 100 times faster than Wi-Fi. The technology is now being applied in numerous applications, most notably the Paris subway system. According to Global Market Insights, Li-Fi is predicted to become a $75 billion technology by 2023.
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