Which packaging innovation, invented in 1952, revolutionized retail by allowing products to be visually displayed while preventing theft, and is credited with enabling the modern self-service retail model?

Product packaging has evolved dramatically over the centuries, from simple cloth wrappings to sophisticated designs that incorporate technology, sustainability features, and marketing elements. Among the many packaging innovations, some have truly revolutionized retail by solving major distribution problems, extending shelf life, or creating entirely new consumer experiences. Test your knowledge about a groundbreaking packaging invention that transformed how products reach consumers worldwide.

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Blister packaging (clear plastic sealed to cardboard backing)
Tetrapak aseptic cartons (shelf-stable without refrigeration)
Vacuum-sealed packaging (air removal for preservation)
Child-resistant packaging (push-and-turn medicine bottles)