Which retail innovation, introduced in the 1910s, revolutionized shopping by allowing customers to select their own products rather than having clerks gather items for them?

Before modern shopping experiences transformed how we buy products, retail underwent fascinating historical evolutions. This trivia explores a pivotal moment in retail history that fundamentally changed consumer behavior and set the stage for today's omnichannel strategies. Test your knowledge about how our ancestors shopped and how those innovations continue to influence modern retail concepts.

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Self-service grocery stores (Piggly Wiggly model)
Mail-order catalogs with product photographs
Department stores with fixed pricing
Coin-operated vending machines