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

Retail history has shaped how we shop today, from small local stores to global shopping empires. The evolution of retail marketing strategies has transformed consumer behavior and shopping experiences across centuries. This trivia question focuses on a pivotal moment in retail history that revolutionized how products were marketed and sold to the general public.

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Piggly Wiggly's self-service grocery store model
Macy's department store floor layout
Sears Roebuck's mail-order catalog system
Marshall Field's fixed price tag policy