comScore Reports December 2010 U.S. Mobile Subscriber Market Share
*Number of Smartphone Users Up 60 Percent Versus Year Ago*
RESTON, VA, February 7, 2011 – comScore, Inc., 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 December 2010. The report ranked the leading mobile original equipment manufacturers (OEMs) and smartphone operating system (OS) platforms in the U.S. according to their share of current mobile subscribers ages 13 and older, and reviewed the most popular activities and content accessed via the subscriber’s primary mobile phone. The December report found Samsung to be the top handset manufacturer overall with 24.8 percent market share, while RIM led among smartphone platforms with 31.6 percent market share. (more…)