Which packaging innovation was specifically invented to solve the problem of food spoilage for military personnel before becoming a mainstream consumer product design?

Packaging design has evolved dramatically over the decades, not just as a protective shell but as a critical marketing tool. Beyond aesthetics, innovative packaging has often solved real-world problems through clever invention. This trivia question explores a groundbreaking packaging innovation that revolutionized consumer experience and created an entirely new product category. Test your knowledge of how design thinking transformed everyday consumption!

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Resealable zip-top bags (invented by Steven Ausnit in the 1950s)
Vacuum-sealed tin cans (invented by Peter Durand in 1810)
Tetrapak cartons (invented by Ruben Rausing in 1951)
Aerosol spray cans (invented by Erik Rotheim in 1926)