June 3, 2011: iOS overtakes Research in Motion’s BlackBerry operating system for the first time, with Apple’s mobile operating system inching past BlackBerry OS.
While Android remains comfortably in the lead in terms of market share, the news marks the beginning of the end for BlackBerry as a smartphone powerhouse.
December 17, 2009: Apple finally triumphs over longtime rival Microsoft … on mobile operating systems market share. New data shows that iPhone OS surpasses Windows Mobile in the United States for the first time.


