MediaPost Publications Nielsen: Smartphone Penetration Reaches 48% 02/21/2012 - 0 views
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Ivy Chang on 21 Feb 12The 48% of American adults with smartphones is up from 44% in the third quarter of 2011. It likely reflects a bump from the record 37 million iPhones that Apple sold worldwide in the fourth quarter. Read more: http://www.mediapost.com/publications/article/168085/nielsen-smartphone-penetration-reaches-48.html?edition=43659#ixzz1n1mP8Zau