Which company launched the first modern retail loyalty program in 1896 that used 'green stamps' as a reward currency, fundamentally changing customer retention strategies?

Before digital points and mobile apps, loyalty programs had fascinating historical roots. This poll tests your knowledge about one of the earliest successful retail loyalty initiatives that fundamentally changed how businesses approached customer retention. Understanding the evolution of these programs provides valuable insights into how modern customer loyalty strategies developed and why certain approaches have stood the test of time.

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Sperry & Hutchinson (S&H Green Stamps)
American Express Membership Rewards
Montgomery Ward's Customer Points Program
Sears Roebuck Customer Loyalty Club