Millions of Kroger shoppers swipe or enter their loyalty card at the checkout every day, allowing the retailer to tabulate their buying habits and pitch discounts tailored from their shopping profile.

Consumer Reports found that Kroger collects and monetizes data from its 63 million loyalty program members, using this information to power its “precision marketing” division. The data collected is ...

Millions of Kroger shoppers swipe or enter their loyalty card at the checkout every day, allowing the retailer to tabulate their buying habits and pitch discounts tailored from their shopping profile.