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 October 2008 
 When adding links to material on an external site, please ensure that the external site is not violating the creator's copyright. Linking to websites that display copyrighted works is acceptable as long as the website's operator has created or licensed the work. Knowingly directing others to a site that violates copyright may be considered contributory infringement. This is particularly relevant when linking to sites such as YouTube, where due care should be taken to avoid linking to material that violates its creator's copyright. Wikipedia takes copyright violations very seriously, and persistent violators will be blocked from editing.    (talk · contribs) 
If this is a shared IP address, and you didn't make any unconstructive edits, consider creating an account for yourself so you can avoid further irrelevant warnings."