Which pioneering store layout innovation, first introduced in 1916, revolutionized retail by allowing customers to select their own products without clerk assistance?

The history of retail has seen dramatic transformations in how products are presented and sold to consumers. One of the most significant innovations changed shopping forever by introducing a revolutionary store layout that eliminated the traditional counter-service model. This innovation empowered shoppers to interact directly with products and fundamentally altered the customer journey. Test your knowledge of this pivotal moment in retail history!

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Piggly Wiggly's self-service grocery model
Macy's department store grid system
Sears Roebuck's catalog showroom
Woolworth's five-and-dime counter arrangement