Which packaging innovation, introduced in the 1950s, revolutionized beverage distribution by allowing consumers to easily open canned drinks without a separate tool?

The evolution of packaging has dramatically changed how products are preserved, transported, and marketed throughout history. From ancient containers to modern sustainable solutions, packaging innovations have often reflected technological breakthroughs and shifting consumer priorities. This trivia question explores a pivotal packaging development that transformed product accessibility and consumer habits in the 20th century.

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The pull-tab can opener (invented by Ermal Fraze in 1959)
The screw-cap aluminum bottle (introduced by Reynolds Metals in 1956)
The plastic ring carrier (developed by ITW Hi-Cone in 1961)
The resealable flip-top can (patented by Continental Can Company in 1952)