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"The chief executive of Sainsbury’s has defended its decision to sell data on the shopping habits of his customers to TV and consumer goods manufacturers looking to target their advertising.
Simon Roberts has said the supermarket group protects personal data “incredibly carefully” and that its strategy had made adverts more “relevant” for shoppers.
Last weekend, it emerged that Sainsbury’s and its rival Tesco are making an estimated £300m a year from selling information on individual shopping habits collected through loyalty card schemes."
