Actually, chopsticks were originally about two-three feet long and were used to move hot stones from the fireplace to under the bed/food/baby/whateverthehelltheyweretryingtoheat. Then, someone had the great idea of using it to pick up food, but it was too awkward so they shortened it.
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The first sentence is actually true, I don't know about the 2nd.
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The first sentence is actually true, I don't know about the 2nd.