Restaurant Chains Make It Cost More to Be Loyal
At least twice a month, Lizzy Laufters could count on getting a free coffee. A member of the Dunkin’ loyalty program, Ms. Laufters, a 22-year-old digital account executive for a public affairs firm in Raleigh, N.C., stacked up points by frequently buying her favorite drink — a medium caramel iced coffee with two creams and…
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