Worldwide sales of mobile devices to end users totaled 428.7 million units in the second quarter of 2011, a 16.5% increase from the second quarter of 2010, according to Gartner.
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Worldwide sales of mobile devices to end users totaled 428.7 million units in the second quarter of 2011, a 16.5% increase from the second quarter of 2010, according to Gartner.