Which packaging innovation, introduced in the 1960s, revolutionized the beverage industry by allowing consumers to open cans without a separate tool?

Product packaging has evolved dramatically over the decades, with some innovations completely transforming industries and consumer behavior. Beyond merely containing products, ingenious packaging solutions have extended shelf life, improved sustainability, enhanced user experience, and even created iconic brand identities. This trivia question focuses on a groundbreaking packaging innovation that revolutionized an entire industry and changed how consumers interact with a common product.

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The pull-tab (ring pull) aluminum can opener
The twist-off bottle cap
The resealable plastic pouch
The aseptic carton package (Tetra Pak)