20 years

2o years ?? wow..erm..let see.most probably human will have to surfer more on earth since the percentage of oil on earth is getting less.We might have to walk to work..haha.

Well Technically, each guy on this earth would ve some thing or the other on his body, electronically.. People would be walking robot dogs on the street, as a security measure and many other things.. And here comes the best part, beggers would ve mobiles on to which u do a transfer when u want to give something to him, be it 50paise or a 5 buck :-) Hail Technology..