This would be huge for ARG (Alternate Reality Games), and a plethora of other applications. Problem is, what about those people who can’t wear contact lenses? And, I shudder when I think about how much the contact solutions will cost! And the amount of care you have to take to take care of them. But someday, this might be as common as contact lenses today and all of these concerns go away One can hope!

arg, technology