The Kodak Brownie, (also just known as Brownie) was a long-series of simple and cheap cameras made by Eastman Kodak and was introduced in February of 1900.
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The country is Japan.
It's a sign to show the chef or street vendor that the food you are slurping [usually noodles or soup] is delicious.
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Answer:
there is a difference in the pitch i guess
Explanation: