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

The retail landscape has transformed dramatically throughout history. From local market stalls to massive department stores to digital commerce, retail innovation has shaped how societies function and economies develop. This trivia question explores a pivotal moment in retail history that fundamentally changed consumer culture and business practices. Test your knowledge about one of the most influential retail developments that continues to impact shopping habits today!

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Self-service grocery store (Piggly Wiggly)
Department store with multiple floors (Marshall Field's)
Mail-order catalog shopping (Montgomery Ward)
Shopping mall with multiple retailers (Country Club Plaza)