Wikipedia:Editing policy

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Wikipedia is the product of thousands of editors' contributions, each bringing something different to the table: researching skills, technical expertise, writing prowess, tidbits of information, or, most importantly, a willingness to help. Even the best articles should not be considered complete; each new editor can offer new insights about how to further enhance our content.

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Adding information to Wikipedia

Wikipedia is here to provide information to people; generally speaking, the more information it can provide (subject to certain defined limitations on its scope), the better it is. Please boldly add information to Wikipedia, either by creating new articles or adding to existing articles, and exercise particular caution when considering removing information. However, it is Wikipedia policy that information in Wikipedia should be verifiable and must not be original research. Please show that information is verifiable and not original research by referencing reliable sources. Unsourced information may be challenged and removed, because on Wikipedia a lack of information is better than misleading or false information—Wikipedia's reputation as a trusted encyclopedia depends on the information in articles being verifiable and reliable. To avoid such challenges, the best practice is to provide an "inline citation" at the time the information is added (see: WP:Citing sources for instructions on how to do this, or ask for assistance on the article talk page).

Although reliable sources are required, when developing articles on the basis of sources, avoid copying or closely paraphrasing a copyrighted source. Wikipedia respects others' copyright. You should read the source, understand it, and then express what it says in your own words.

Another way editors can add information to an article is by finding a source for existing unsourced material. This is especially true if you come across statements that are potentially controversial. You do not need to be the person who added the information to add a source and citation for it.

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