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 edited his own biographical entry on the English Wikipedia. Writer Rogers Cadenhead drew attention to logs showing that in his edits to the page, Wales had removed references to Sanger as the co-founder of Wikipedia. Sanger commented that "having seen edits like this, it does seem that Jimmy is attempting to rewrite history. But this is a futile process because in our brave new world of transparent activity and maximum communication, the truth will out." Wales was also observed to have modified references to Bomis in a way that was characterized as downplaying the sexual nature of some of his