Some 63.2 million Americans owned smartphones in the three-month period ended December 2010, up 60% from a year earlier, according to data from comScore MobiLens. RIM led the smartphone platform ranking with 31.6% of US market share, while second-ranked Google accounted for 28.7%, up 34.1% from the three-month period ended September.

Apple accounted for 25.0% of US platform share as of December, up 2.9% from the previous three-month period, followed by Microsoft with 8.4% and Palm with 3.7%.

OEM Market Share: Samsung Broadens Lead

Roughly 234 million Americans age 13+ used mobile devices in the three-month period ended December. Samsung was the top handset manufacturer with 24.8% of US OEM (original equipment manufacturer) market share, up 1.3 percentage points (PPs) from the previous three-month period. LG ranked second with 20.9% share, followed by Motorola (16.7%), RIM (8.5%), and Nokia (7.0%).

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Mobile Content Use Increases

US mobile subscribers increased their use of all six types of mobile-enabled activities tracked by comScore in the three-month period ended December:

  • 68.0% of subscribers used text messaging via mobile device, up 1.0 PPs over the previous three-month period.
  • 36.4% of subscribers browsed the mobile Web, up 1.3 PPs.
  • 34.4% of subscribers used mobile apps, up 1.3 PPs.
  • 24.7% of subscribers accessed social networking sites or blogs, up 1.5 PPs.
  • Playing games attracted 23.2% of the mobile audience, while listening to music attracted 15.7%.

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