Which packaging innovation, invented by DuPont chemist Roy Plunkett in 1938, revolutionized food preservation by creating an airtight, moisture-resistant barrier and is now used in billions of products annually?

Throughout history, packaging innovations have transformed how we preserve, transport, and consume products. One particular invention revolutionized the food industry by providing an affordable, practical way to keep food fresh longer than ever before. This invention's impact reached far beyond its humble beginnings, changing retail landscapes and consumer habits worldwide. Test your knowledge about this groundbreaking packaging innovation that we now take for granted.

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