Uh. What about superimposed maps on roads for example? What about product information just being there when you look at that in the super market (and whether it

Uh. What about superimposed maps on roads for example? What about product information just being there when you look at that in the super market (and whether it's cheaper somewhere on the internet). Or its nutrition information/health hazards etc. ! There are thousands of applications of pervasive wearable devices which 'shows us things'.