Wal-Mart is introducing a new Scan & Go system to checkout with your phone as you shop.
Tech review: Wal-Mart Scan & Go
Shopping via smartphone is nothing new. And plenty of people whip out their smartphones to comparison shop in stores, much as the retailers hate it.
Read story: tulsaworld.com/business/articlepath.aspx?articleid=20130322_52_E1_ULNSam92941
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