Which invention, first patented in 1896, is widely considered the precursor to modern retail loyalty programs?

Before digital apps and plastic cards, customer loyalty was tracked through innovative physical systems. One breakthrough invention fundamentally changed how businesses reward repeat customers, creating the foundation for modern loyalty programs we use today. This invention didn't just track purchases—it created an entirely new marketing psychology that retailers still leverage. Test your knowledge of this pivotal moment in retail history that transformed casual shoppers into brand advocates and revolutionized customer retention strategies worldwide.

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S&H Green Stamps, collectible trading stamps redeemable for merchandise
The Farrington metal charga-plate, the first credit identification system
Betty Crocker's Box Top Points program for household appliances
The Hydrox Ice Cream 'Polar Points' punchcard collection system