A Forum Moderator, often shortened to just mod, is a person granted special powers to enforce the rules of an Internet forum (message board) or electronic mailing list. An, or message board, is a Bulletin board system in the form of a discussion site An, or message board, is a Bulletin board system in the form of a discussion site An electronic mailing list (sometimes written as elist or e-list) is a special usage of e-mail that allows for widespread distribution of information to Almost all moderators on all forums can move discussions to different sections of the forum, close discussions, edit the content of individual postings, answer questions (or help people with problems), and 'stick' discussions so they remain visible in their forum section even if no new postings are made to them. A sticky post or sticky topic is a type of entry in an online forum that is "pinned" near the top of the forum index enhancing its visibility and preventing Different forums may give their moderators further powers, such as being able to block/ban people from the message board who are trolling or breaking the Code of Conduct.
References
http://www.marketingterms.com/dictionary/moderator/
http://www.vbulletin.com/docs/html/main/what_is_moderator
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