History of Wikipedia covertly alter Wikipedia biographies – came to public attention, leading to the resignation of the campaign manager. Nonetheless, Wikipedia was rated as one of the top five global brands of 2006. Jimmy Wales indicated at Wikimania 2006 that Wikipedia had achieved sufficient volume and called for an emphasis on quality, perhaps best expressed in the call for . A new privilege, "oversight", was created, allowing specific versions of archived pages with unacceptable content to be marked as non-viewable. Semi-protection against anonymous vandalism, introduced in 2005, proved more popular than expected, with over 1,000 pages being semi-protected at any given time
Jimmy Wales his developmental work on the Wikipedia project. He has rejected the notion that his role in promoting Wikipedia is altruistic, which he defines as "sacrificing your own values for others", stating that the idea of "participating in a benevolent effort to share information is somehow destroying your own values makes no sense to me". On December 11, 2007, Wales testified before to the United States Senate Committee on Homeland Security and Governmental Affairs. He also submitted written testimony to the Senate Committee entitled "E-Government 2.0: Improving Innovation, Collaboration and Access". Senator Joseph Lieberman introduced Wales by stating: Wales's testimony is