49 Million U.S. Smartphones in Service

49.1 million people in the U.S. owned smartphones during the three months ending in May 2010, up 8.1 percent from the corresponding February period.

Research in Motion was the leading mobile smartphone platform in the U.S. with 41.7 percent share of U.S. smartphone subscribers, followed by Apple with 24.4 percent share and Microsoft with 13.2 percent.

Google saw significant growth during the period, up four percentage points to 13 percent of smartphone subscribers, while Palm rounded out the top five with 4.8 percent.

comScore Reports May 2010 U.S. Mobile Subscriber Market Share - comScore, Inc