Which chocolate company first introduced the resealable packaging innovation known as 'flow wrap' that revolutionized chocolate bar freshness and portability in the 1950s?

The humble chocolate bar has undergone remarkable transformations throughout retail history. From simple chocolate blocks to complex flavor combinations and innovative packaging, candy companies have continuously pushed the boundaries of confectionery. This trivia question explores a pivotal moment in chocolate retail history that changed how we consume one of the world's favorite treats. Test your knowledge about the evolution of this beloved food product!

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Nestlé
Cadbury
Rowntree's (now part of Nestlé)
Hershey's