Which packaging innovation, introduced in 1963, revolutionized beverage retail by allowing consumers to easily open cans without a separate tool?

Product packaging has transformed dramatically throughout retail history, reflecting changes in technology, consumer preferences, and environmental awareness. While today we take modern packaging for granted, innovations in this field have revolutionized how products are preserved, marketed, and consumed. This trivia question explores a pivotal moment in packaging history that changed shopping habits forever.

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Pull-tab (ring pull)
Resealable zip-lock
Twist-off cap
Vacuum-sealed lid