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It's safe to say that the Android OS has extended its dominance without any real competition from any other mobile operating systems out there. According to Strategy Analytics, Android has recorded a whopping 80% global market share during Q2, 2013. The Google developed Android OS has accounted for 182.6 million out of the 229.6 million sold globally. Apple's iOS scored a 13.6% market share...
Source: http://www.gsmarena.com/android_dominates_with_80_global_market_share_in_q2_2013-news-6511.php