Google and Mastercard brokered a business partnership during about four years of negotiations
A year ago, Google made a secret deal with Mastercard that allows the growing tech monopoly to track the sales of its advertising customers to learn if its marketing resulted in a purchase at a physical store in the U. S.
It’s just the latest revelation about the power of Google growing its database to know more about its customers than they know themselves.
Neither company ever informed MasterCard’s 2 billion customers about the privacy concern.
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