Which packaging innovation was developed by Swedish company Tetra Pak in 1952 that revolutionized the storage of liquid foods?

Product packaging has evolved dramatically over the centuries, not just protecting products but becoming a crucial marketing tool. Some packaging innovations have revolutionized entire industries and changed consumer behavior forever. This trivia question explores one such groundbreaking invention that transformed how we preserve and consume everyday products. Test your knowledge of this pivotal moment in retail packaging history!

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Aseptic carton packaging (allowing milk and juices to be stored without refrigeration)
Vacuum-sealed aluminum cans (enabling carbonated beverages to maintain fizz for years)
Nitrogen-flushed bags (extending the shelf life of potato chips and snack foods)
Polyethylene squeeze bottles (creating the first non-glass ketchup containers)