Technology | Business

How Retailers Use Smartphones To Track Shoppers In The Store

NPR | June 16, 2014 5:20 p.m.

Retailers aren’t only tracking consumers online; they’re also doing it when consumers shop in brick-and-mortar stores. Robert Siegel talks to Latanya Sweeney, chief technology officer for the Federal Trade Commission, about how the tracking works and whether consumers can opt out.

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