• by Mark Walsh  @markfwal, February 7, 2011

New data from comScore shows Android increased its U.S. market share to 28% in December from 25% the prior month, narrowing the gap with RIM's market-leading BlackBerry platform, which dropped from 33.5% to 31.6%. Apple's iOS held steady in the No. 3 slot, with 25% share. For the three months ending in December, Android has picked up 7.3 percentage points in market share compared to 0.7 for Apple and a decline of 5.7 points for BlackBerry.

In terms of mobile data use, 68% of mobile subscribers were text messaging, 36.4% used a mobile browser, 34.4% downloaded an app, 27.4% accessed a blog or social networking site, 23.2% played a game, and 15.7% listened to music. Among those activities, social networking saw the biggest gain in the fourth quarter, increasing 1.5 percentage points. Read more here.