Reliability of Wikipedia mentioned that "Wikipedia is often criticised for its inaccuracy and bias, but in my experience the military history articles are spot on." In July 2008, "The Economist" magazine described Wikipedia as "a user-generated reference service" and noted that Wikipedia's "elaborate moderation rules put a limit to acrimony" generated by cyber-nationalism. Jimmy Wales, a co-founder of Wikipedia, stresses that encyclopedias of any type are not usually appropriate as primary sources, and should not be relied upon as being authoritative. Carnegie Mellon Professor Randy Pausch offered the following anecdote in his book "The Last Lecture". He was surprised that his entry to
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