Which retail innovation, first introduced in 1916, revolutionized shopping by allowing customers to select their own merchandise rather than requesting it from clerks behind counters?

The way we shop today has been shaped by countless innovations in store design and layout. One revolutionary concept fundamentally changed how consumers interact with products, transforming the retail landscape forever. This innovation removed barriers between shoppers and merchandise, creating a more engaging and profitable shopping experience. Test your knowledge of this pivotal moment in retail history that influences virtually every shopping experience you have today.

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Self-service grocery stores (Piggly Wiggly)
Department store escalators (Harrods)
Electronic cash registers (NCR)
Shopping carts (Goldman's)