From smartphones to 3D televisions, The Nielsen Company provides a view of the device usage and audiences in the U.S.

Fast Facts:

• Average Number of TVs per U.S. Household: 2.5
• Percentage of Americans with 4 or more TVs: 31%
• Number of Mobile Phone Users (13+): 228M
• Percentage of U.S. Mobile Subscribers with Smartphones: 31%
• Number of mobile phone web users: 83.2M

For more, download Nielsen's State of the Media - U.S. Audiences and Devices

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