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Tesco uses information gleaned from Dunnhumby, a British data mining firm of which it has majority control, to manage every aspect of its business, from creating new shop formats to arranging store layouts to developing private-label products and targeted sales promotions. In 2003, U.S. supermarket chain Kroger copied Tesco’s example, setting up a joint venture with Dunnhumby in the U.S. Since then, Dunnhumby also has signed deals with_______________________ other U.S. retailers including Home Depot, Best Buy, and Macy’s.