IBM thinks it's five years away.
Michael Cooney reporting … IBM Predicts Five Big Technologies of the Future:
Digital divide? In five years, the gap between information haves and have-nots will narrow considerably due to advances in mobile technology. There are 7 billion people inhabiting the world today. In five years there will be 5.6 billion mobile devices sold -- which means 80% of the current global population would each have a mobile device.