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Dear Alexa, My friends and I went to the movies last weekend, and at the end of the night I realized I paid more for my popcorn, soda and candy, than I did for my actual movie ticket! Why are movie concessions stands so expensive? Please Explain! Kate Well Kate,... [read more]
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notes

September 08, 2010
on a briefer note… (external link)

Precisely knowing the time is necessary for “synchronizing … computer networks, controlling electric power grids, … satellite navigation …, and documenting financial transactions.”

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