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

The history of retail has shaped how we shop today. From ancient marketplaces to modern malls, retail innovations have transformed commerce and consumer culture throughout the centuries. This poll tests your knowledge about a pivotal moment in retail history that revolutionized the shopping experience and set the foundation for today's consumer landscape.

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Piggly Wiggly's self-service grocery store
Macy's department store window displays
Sears Roebuck mail-order catalog
Marshall Field's customer service guarantee