59 percent of U.S. smartphone owners used their device in 2011 to find a better price while shopping in-store, according to emarketer.com.
This is up from 15 percent in 2009.
And there are more smartphone owners now too.
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59 percent of U.S. smartphone owners used their device in 2011 to find a better price while shopping in-store, according to emarketer.com.