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Who documented something and when they did so ... can sometimes be MORE revealing than what is documented (metadata analysis)
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and helps you connect dots to other things you already reseearched
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The best way to distort reality is to only tell truthful things with selective omissions ...
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... "it wont make you a ghostbuster..."
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The current view of the "truth" changes ...
... so know how to use past versions (such as Wikipedia versioning)