Which packaging innovation, introduced in 1956, revolutionized retail by allowing customers to see products before purchase and is credited with enabling the rise of modern self-service shopping?

Throughout history, product packaging has evolved dramatically, not just serving functional purposes but also reflecting societal changes, technological advancements, and marketing innovations. From ancient clay vessels to modern sustainable solutions, packaging tells the story of human commerce and creativity. Test your knowledge about a revolutionary packaging innovation that changed retail history forever!

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Blister packaging (clear plastic sealed to cardboard backing)
Tin cans with pull-tab openings
Tetrapak aseptic cartons
Aerosol spray cans