Which revolutionary packaging innovation was discovered by accident in 1975 when a researcher was trying to develop a stronger adhesive, but instead created a product that reduced packaging waste by over 50%?

In the world of inventions and discoveries, packaging innovations have transformed how products reach consumers and influence purchasing decisions. Some packaging breakthroughs have not only solved practical problems but also addressed significant environmental concerns. This poll tests your knowledge about a revolutionary packaging innovation that changed an entire industry's environmental footprint.

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Water-soluble plastic packaging
Post-it Note adhesive (low-tack, pressure-sensitive adhesive)
Biodegradable mycelium packaging
Tetra Pak aseptic processing technology