Which retail innovation, first introduced by Piggly Wiggly in 1916, revolutionized grocery shopping by allowing customers to select their own items rather than having clerks gather products for them?

The way we shop for food has evolved dramatically over the decades. From small specialty shops to massive supermarkets and now online delivery, retail experiences in the food industry have transformed how we interact with food products. This poll tests your knowledge about a pivotal innovation in grocery retail history that fundamentally changed how consumers shop for food items and revolutionized the entire industry.

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Self-service shopping
Shopping carts
Checkout conveyor belts
Price tags on individual items