[http://www.huffingtonpost.com/2012/01/17/wikipedia-blackout_n_1212096.html?ref=technology#s618767&title=Wikipedia Wikipedia Blackout: 11 Huge Sites Protest SOPA, PIPA On January 18]</ref> | [http://www.huffingtonpost.com/2012/01/17/wikipedia-blackout_n_1212096.html?ref=technology#s618767&title=Wikipedia Wikipedia Blackout: 11 Huge Sites Protest SOPA, PIPA On January 18]</ref> |