Wednesday, March 14, 2012

U.S. Smart Phone Penetration Now 44%

Apple’s iPhone 4 was the leading mobile phone in the U.S., despite being a phone launched mid-way through 2010, according to Nielsen


Smart phone penetration rose from just 18 percent of mobile phone users in 2009 to  44 percent of U.S. residents in 2011.

Credit: Nielsen

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