Mobile phones in tough places http://www.economist.com/node/17046762?story_id=17046762&fsrc=scn/tw/te/rss/pe http://fb.me/vfh9929Q
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Mobile phones in tough places http://www.economist.com/node/17046762?story_id=17046762&fsrc=scn/tw/te/rss/pe http://fb.me/vfh9929Q