Censorship of Wikipedia on the 2008 Summer Olympics and the International Olympic Committee's request for press freedom during the games. In September 2008, Jimmy Wales had a meeting with Cai Mingzhao, Vice Director of China's State Council Information Office. While no agreements were made, Wales believes that a channel of communication has been opened between Wikipedia's community and the PRC Government. According to a report published in "American Economic Review" in 2011, the blocking of Chinese Wikipedia not only reduced the group size of its users, but also decreased the nonblocked users' contributions by 42.8% on average. In 2012, both Chinese and English
Wikipedia images disruptively. Obvious vandalism is generally easy to remove from Wikipedia articles; the median time to detect and fix vandalism is a few minutes. However, some vandalism takes much longer to repair. In the Seigenthaler biography incident, an anonymous editor introduced false information into the biography of American political figure John Seigenthaler in May 2005. Seigenthaler was falsely presented as a suspect in the assassination of John F. Kennedy. The article remained uncorrected for four months. Seigenthaler, the founding editorial director of "USA Today" and founder of the Freedom Forum First Amendment Center at Vanderbilt University, called Wikipedia co-founder Jimmy