Costco's customer purchase data proved invaluable in advancing a recent salmonella investigation, showing the role this data can play in food safety
Some critics of loyalty cards have decried them as an intrusion into consumer privacy or an unfair separation of shoppers into card holders and non-card holders. But recent applications of shopper cards have elevated them into a new realm that may prove more persuasive to critics: food safety. For example, a number of retailers now use card purchase data to contact shoppers who have bought products subject to a recall. And more recently, shopper data has proved increasingly helpful to ...
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