Which packaging innovation, invented in the 1950s, revolutionized food preservation by creating a vacuum seal that extended shelf life and is now used for over 60% of processed food products worldwide?

Packaging innovations have transformed how we preserve and transport food throughout history. Some inventions seemed simple at first but revolutionized entire industries and changed consumer behaviors forever. This poll tests your knowledge about a groundbreaking packaging innovation that dramatically extended food shelf life and created new possibilities for global food distribution. Can you identify which invention truly changed the game?

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Retort pouch (flexible packaging that can withstand thermal processing)
Modified atmosphere packaging (MAP)
Aseptic packaging (TetraPak)
Shrink film wrapping