Released: July 15, 2013

Attention, shoppers: store Is tracking your cell

Source: Stephanie Clifford and Quentin Hardy - The N.Y. Times (Paid Registration)

Like dozens of other brick-and-mortar retailers, Nordstrom wanted to learn more about its customers — how many came through the doors, how many were repeat visitors — the kind of information that e-commerce sites like Amazon have in spades. So last fall the company started testing new technology that allowed it to track customers’ movements by following the Wi-Fi signals from their smartphones.

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