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How do I edit or comment on an existing article?

Editing an article is completely straightforward: you simply click on the "Edit" button above a given article and make changes in the "Body" box. As with Wikipedia, all versions of an article are stored indefinitely, so if you are 90 percent certain that your changes improve the article, then the other 10 percent chance should not deter you from making those changes – it is easy to revert to an old version.

Adding comments to articles is also straightforward; you can find more information about adding comments on the commenting help page.

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Why have a separate site rather than simply using Wikipedia?

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