mobile phones

Has the smart phone revolution already powered up a Continent? How smart phones change lives in the developing world. The Economist reckons that by 2020, 80% of the adults in the world will have a smart phone (a great article on http://www.economist.com/news/leaders/21645180-smartphone-ubiquitous-addictive-and-transformative-planet-phones ). I remember an article ten or fifteen years ago in the same [...]