Li-Fi vs Wi-Fi

http://www.rfwireless-world.com/Terminology/LiFi-vs-WiFi.html

https://ca.news.yahoo.com/wave-bye-bye-wi-fi-083520653.html

https://en.wikipedia.org/wiki/Li-Fi

http://www.dailymail.co.uk/sciencetech/article-3332850/Li-Fi-new-Wi-Fi-real-tests-technology-100-TIMES-faster-current-systems.html

http://www.digitaltrends.com/mobile/light-bulb-li-fi-wireless-internet/