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

The world of retail has been transformed by innovative store layouts and merchandising techniques that fundamentally changed how we shop. These inventions and discoveries in retail space optimization have turned shopping from a simple transaction into an experience designed to maximize sales and customer satisfaction. Test your knowledge about the revolutionary store layout concepts that changed retail forever!

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The Piggly Wiggly self-service store model
The Walmart 'Action Alley' center aisle concept
IKEA's one-way maze-like floor plan
Macy's department store 'racetrack' layout