comScore Reports May 2011 U.S. Mobile Subscriber Market Share

RESTON, Va., July 5, 2011 /PRNewswire/ -- comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the comScore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month average period ending May 2011. The study surveyed m