Which iconic packaging innovation was developed in the 1950s specifically to prevent product spoilage and was considered revolutionary for extending shelf life from days to months?

Product packaging is not just about aesthetics—it's often about solving critical problems. Throughout history, certain packaging innovations have revolutionized entire industries by extending product life, improving safety, or creating new consumption possibilities. This trivia question explores a groundbreaking packaging development that transformed its product category forever.

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Tetra Pak aseptic packaging for milk and juices
Aluminum pull-tab cans for beverages
Blister packaging for pharmaceuticals
Aerosol spray cans for consumer products