The Amazon Smartphone Launches Tech’s Costliest War 0 Randall Gross TechnologyAugust 2012Monday, August 27, 2012 at 5:09 am PDT • Views: 1,401 businessweek.com AAPL Amazon.com Amazon Smartphone Launches Android Ecosystem Google+ Social Network MSFT Power Phones Smartphone Market Signals Mobile Entryway Down-Market Tablets