For years, Amazon has collected detailed information about its customers. For example, it knows that when a customer buys the movie Lost in Translation, might be prodded into buying 21 Grams or Kill Bill--Volume 1 because others have made similar purchasers. This would be an example of:

Question

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This is an example of data mining, where Amazon uses patterns and relationships in the data (such as purchase history) to make recommendations to customers based on what others have bought.

For Years, Amazon Has Collected Detailed Information About Its Customers