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Music: Practice & Theory
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Science Fiction & Fantasy
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Photography
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Aviation
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Personal Finance & Money
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Biology
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Earth Science
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Retrocomputing
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Mathematics Educators
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Psychology & Neuroscience
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Law
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Medical Sciences
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Stack Overflow
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Super User
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Chemistry
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Software Engineering
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Cross Validated
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Parenting
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Signal Processing
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Home Improvement
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Emacs
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Engineering
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Literature
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Artificial Intelligence
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Meta Stack Exchange
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German Language
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Japanese Language
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Travel
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MathOverflow
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The Workplace
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Ask Different
Q&A for power users of Apple hardware and software