(Replace the first paragraph with a brief description of the new category. This guidance will appear in the category selection area, so please keep it within 200 characters.)
Use the following paragraphs to provide a detailed description or to establish category guidelines or rules:
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Why should this category be used? What is it for?
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How is this category different from the ones we already have?
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What topics are generally included in this category?
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Do we need this category? Can we merge it with other categories or subcategories?