Future Of British Business
Tesco and Sainsbury’s Make Millions Off Loyalty Card Data
A poster for Tesco Plc's Clubcard rewards program outside a supermarket in London.
Photographer: Simon Dawson/Bloomberg
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Tesco Plc and J Sainsbury’s Plc, two of the biggest UK supermarkets, make about £300 million ($376 million) a year from selling information about their customers’ shopping preferences, the Times reported.