Which retail innovation, launched in 1916, is credited with fundamentally changing shopping by introducing the concept of self-service where customers could select their own merchandise?

The evolution of retail has transformed how we shop throughout history. From local markets to global empires, retail innovations have shaped economies and cultures. This trivia question explores a pivotal moment in retail history that fundamentally changed consumer experiences. Test your knowledge about a revolutionary retail concept that set the foundation for today's shopping landscape.

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Piggly Wiggly (the first true self-service grocery store)
Woolworth's (the first five-and-dime store)
Sears Catalog (the first mail-order retail catalog)
The Great Atlantic & Pacific Tea Company (A&P) (the first grocery chain)