Which revolutionary packaging invention was developed by Swedish engineer Erik Wallenberg in 1951 and transformed the retail industry by creating a new way to store and transport liquids?

Packaging innovations have transformed how products are preserved, transported, and marketed throughout retail history. Some packaging inventions were so revolutionary that they completely changed consumer behavior and created entirely new market categories. This trivia question focuses on a packaging breakthrough that altered the retail landscape and became an essential part of modern shopping. Test your knowledge about this game-changing invention that we now take for granted!

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