Why is Li-Fi better than Wi-Fi?
Imagine wandering through an art gallery with your PDA. As you reach an interesting canvas, your PDA starts downloading information about the painting. When you move to another, your PDA displays content relative to the current piece of art. This is called content fencing – tailoring information to specific locations so that users receive information relevant to their current location.
Content fencing is impossible to achieve with Wi-Fi – radio waves have a far greater spreading power. However, Read more [...]