Online retail giant Amazon.com announced that it has launched an electronics trade-in store, a program allowing customers to trade in their used electronics for Amazon gift cards. Starting Wednesday , shoppers can trade in electronics including tablets, cellphones , MP3 players and GPS devices , regardless of where the products were originally purchased. Before shipping their electronics to Amazon , participants in the program have to verify that their product is part of the program and select whether the item is in like-new , good or acceptable condition. After the product is received and inspected, an Amazon.com gift card will be deposited into the customer's Amazon.com account, usually in less than 48 hours , the company said. The electronics trade-in store expands the company's existing trade-in program , which includes textbooks and video games. -- Andrea Chang

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