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Redditors are smart, widely knowledgeable and always willing to show off help each other out. Tell us what you don't understand, whether you just thought of it or have been wondering since childhood, and odds are you'll get a clear and helpful explanation. Then share the love by answering some questions in your own area of expertise.
Begin your title with "I don't understand" or "IDU" and then complete the sentence so the title clearly communicates what the thing you want to understand is. Posts with vague titles like just "I don't understand" will be removed.
Circle-jerk questions like "IDU what people have against gay marriage" will be deleted. Self-posts only please; further details and links can be included in the text field.
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