Wireless Internet to be replaced with Light Internet?

In this article, the author Jamie Condliffe talks about using something as common as a light bulb to send data from one place to another. Not only is the dubbed "Li-Fi" cheaper than traditional Wi-Fi, it has a much greater bandwidth and has, so far, proved to be able to handle speeds greater than what most internet services provide. In basic terms, Li-Fi would work by sending data through flickering LED lights which would then be captured by a sensor of some sort. This Flickering would actually not be bothersome because light moves very quickly, the flickers can be done at a rate where the human eye would not even notice it. Some of the early challenges involve the basic concept that light requires a direct line of sight to the source. Even something like smoke from a near by building, can disrupt the data stream from Li-Fi if it happens to block the sensor reading the data. However, this system still has potential to change the way we access and view things on the internet.
http://www.newscientist.com/article/mg21128225.400-will-lifi-be-the-new-wifi.html