Which retail innovation, first implemented at Piggly Wiggly in 1916, fundamentally transformed the customer shopping experience and remains the dominant model for most physical retail stores today?

The evolution of retail has seen dramatic transformations throughout history, with technological innovations and consumer behavior changes driving the industry forward. Test your knowledge about a pivotal moment in retail history that forever changed how customers interact with brands and products. This watershed development represents one of the most significant shifts in retail customer experience of the 20th century.

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Self-service shopping (allowing customers to select their own merchandise)
Loyalty punch cards (offering rewards for repeat customers)
Printed catalogs with mail-order capabilities
Price tags (displaying fixed non-negotiable prices)