 Incidents of conflict-of-interest (COI) editing and the use of Wikipedia for "revenge editing" have attracted publicity for inserting false, biased, or defamatory content into articles, especially biographies of living people.Articles on less technical subjects, such as the social sciences, humanities, and culture, have been known to deal with misinformation cycles, cognitive bias, coverage discrepancies, and editor disputes.The online encyclopedia to be a reliable source and discourages readers from using it in academic or research settings.