| http://www.w3.org/ns/prov#value | - Many people do not trade in their smartphones when they buy a new device because they still have photos and other data on their phones that they are not prepared to remove or delete, Di Valerio said.Outerwall also sees a big market opportunity for unused gift cards that people do not know they can redeem for cash, says Coinstar President Jim Gaherity.
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