Which retail innovation in the 1990s revolutionized loyalty programs by introducing personalized offers based on individual purchase history?

Test your knowledge about the evolution of customer loyalty programs in the retail industry! Loyalty programs have become a cornerstone of retail strategy, but their implementation and focus have dramatically changed over the decades. This trivia challenges you to recall a significant turning point in how retailers approached customer retention. Understanding these historical shifts can provide valuable insights into current and future trends in customer engagement strategies.

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Tesco's Clubcard system, which used purchase data to create targeted promotions
Walmart's Sam's Club membership, which offered bulk purchasing discounts
Amazon's Prime membership, which bundled multiple services together
American Airlines' AAdvantage program, which pioneered points-based rewards