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67 Years Of Potato Chip Innovation, In 5 Animated GIFs

NPR - Americans spend less on groceries than they did a few decades ago. That's partly because of new machines and technology that have made it much cheaper to produce food.

We went to the Herr's potato chip factory in Nottingham, Pa., to see some of this food-making technology in action. When Herr's first opened up in 1946, founder Jim Herr and his family made chips by hand. Here are three ways the process has changed over the years.

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