A few years ago, if someone told you that one day you will be able to use your light bulb as a means to connect to the internet, you would have thought that person to be a nutcase. And if someone said that one day you will be connecting to the web with data speeds as fast as 1GBps, you would have assumed that person to be joking! But today, LiFi internet has become a reality and its many virtues have made it one of the worthiest successors to WiFi technology.