Credit:
A 7% increase in wireless subscriber connections, from 311 million in 2010 to 331.6 million last year.
Number of active data-capable devices: 295 million, up from 270 million in 2010.
Wireless-enabled tablets, laptops and modems: 20.2 million, a 49% increase from Dec. 2010.
Minutes of Use: 2.296 trillion in 2011, up just 2% from 2010. Average local monthly wireless bill (including voice and data service): $47.00, virtually unchanged from 2010.