comScore US July 2011: Android and iOS still growing.

The summary of the charts: RIM and Microsoft really don't have a third chance; one or the other, it appears, will not survive if they botch their next rollout (Windows Phone 8 / Blackberry 10).

Top Smartphone Platforms 3 Month Avg. Ending Jul. 2012 vs. 3 Month Avg. Ending Apr. 2012 Total U.S. Smartphone Subscribers Ages 13+ Source: comScore MobiLens
	Share (%) of Smartphone Subscribers
	Apr-12	Jul-12	Point Change
Google	50.8%	52.2%	1.4
Apple	31.4%	33.4%	2.0
RIM	11.6%	9.5%	-2.1
Microsoft	4.0%	3.6%	-0.4