Achain of grocery stores analyzes the buying patterns of its customers using data collected on customers' loyalty cards and uses this information to send e-coupons to customers that target the purchases they have made over the past 90 days. this is an example of

   Data mining

Explanation:  The chain of grocery stores is analysing the data it already has so that it can generate new information based on that analysis, based on which it will target. Thus, based on the obtained analysis, they will be able to send e-purchases, i.e. to target certain customers with exactly those advertisements or products that interest those particular customers. Such exploration of existing data to create new ones is called data mining.

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