In an average month during the December through February 2010 time period, 64.0 percent of U.S. mobile subscribers used text messaging on their mobile device, up 1.9 percentage points versus three months prior. Browsers were used by 29.4 percent of U.S. mobile subscribers (up 2.4 percentage points), while subscribers who used downloaded applications made up 27.5 percent (up 1.8 percentage points). Access of social networking sites or blogs continued to grow, increasing 2.9 percentage points to 18.0 percent of mobile subscribers.

source: comscore