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While more than 50% of mobile phone users in the U.S are smartphone
users according to comScore, most phones sporting a 4G antenna are
pricier than their 3G counterparts. Examining smartphone Web usage
across North America, Chitika Insights found that 4G phones contribute
to about 30% of the total traffic from all North American smartphones.
Within the 4G group, users of newer phones, specifically released after
July 2012, generated 53% of continental 4G smartphone traffic.