In the month average ending in January, 234 million Americans were mobile subscribers ages 13 and older, with device manufacturer Motorola ranking as the top OEM with 22.9 percent of U.S. mobile subscribers. LG ranked second with 21.7 percent share, followed by Samsung (21.1 percent share), Nokia (9.1 percent share) and RIM (7.8 percent share). … Continue reading BlackBerry Top Smartphone, Moto Top Maker, Says comScore …