Estonia based startup Welmenni co-founder and CEO Deepak Solanki adjusts Li-Wi transceiver in Maardu, Estonia, December 17, 2015. Li-Fi is similar to widely used Wi-Fi data transmission technology, but it uses light to transmit data. One of the main advantages of this technology is data transmission worth of velocity of light, which is even 100 times faster than Wi-Fi. (Photo by Ints Kalnins/Reuters)
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