Which packaging innovation, introduced in 1956, fundamentally changed retail by allowing consumers to see products before purchase while reducing breakage and contamination?

Throughout history, product packaging has evolved dramatically, influencing consumer behavior and brand perception. From ancient pottery vessels to modern sustainable solutions, packaging innovations have shaped commerce and consumption patterns across civilizations. This trivia question explores a pivotal moment in packaging history that revolutionized the retail industry and changed how consumers interact with products.

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Blister packaging (clear plastic sealed to cardboard backing)
Tetrapak cartons for liquids
Aluminum beverage cans with pull-tabs
Vacuum-sealed glass jars for food preservation