Which food retail innovation, first introduced in the 1920s by Clarence Birdseye's company, revolutionized the ice cream industry by allowing widespread distribution and longer shelf life?

Test your knowledge about one of the most significant retail innovations in the frozen dessert industry! The history of ice cream retail has seen revolutionary changes that transformed how we enjoy this beloved treat. From manufacturing techniques to distribution methods, various companies have pioneered approaches that changed the industry forever. Can you identify which innovation truly revolutionized the ice cream retail landscape?

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Flash freezing technology
The introduction of waffle cones at the 1904 World's Fair
The development of soft-serve machines by Dairy Queen in 1938
The invention of the first automated ice cream maker by Nancy Johnson in 1843