Which retail innovation, introduced in 1916, fundamentally changed shopping by allowing customers to select their own merchandise without clerk assistance for the first time?

Throughout history, retail giants have transformed how we shop and consume. From humble beginnings to global dominance, these companies pioneered innovations that forever changed commerce. This trivia question focuses on a pivotal moment in retail history that revolutionized the customer experience and set new standards for the industry. Test your knowledge of how major retailers shaped our shopping habits!

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Piggly Wiggly's self-service grocery store model
Sears Roebuck's mail-order catalog system
F.W. Woolworth's fixed-price 'Five and Dime' concept
Montgomery Ward's department store layout