Which company is credited with creating the first modern customer loyalty program in 1981 that awarded 'miles' for customer purchases?

Customer loyalty programs have become a cornerstone of modern retail strategy, but they weren't always so prevalent. These programs revolutionized how businesses retain customers and gather valuable consumer data. This poll tests your knowledge about the origins of retail loyalty programs that transformed customer retention strategies and set the foundation for the sophisticated systems we see today. Do you know which company pioneered this now-ubiquitous business practice?

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American Airlines with AAdvantage
Marriott with the Marriott Rewards Program
S&H Green Stamps (Sperry & Hutchinson)
American Express with Membership Rewards