comScore, Inc., a leader in measuring the digital world, 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 2010 compared to the preceding three-month average. 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 age 13 and older, and reviewed the most popular activities and content accessed via the subscriber’s primary mobile phone. The May report found Samsung to be the top handset manufacturer overall with 22.4 percent market share, while RIM led among smartphone platforms with 41.7 percent market share.