Bright-eyed and bushy-tailed. Apple’s iOS and Google’s Android face several hopeful challengers

The Economist [2013], “Bright-eyed and bushy-tailed. Apple’s iOS and Google’s Android face several hopeful challengers”, The Economist, London, 28 de febrero, http://www.economist.com/news/business/21572776-apples-ios-and-googles-a...