Reporting of child pornography images on Wikimedia Commons caused by his history with Wikipedia and his own competing online encyclopedia, Citizendium. Sanger denied that the letter was an attempt to undermine Wikipedia, but did confirm it was an attempt to force a policy change for labeling or eliminating "adult" content on Wikipedia. Things escalated when Fox News began reporting on the issue. In response Jimmy Wales, co-founder of Wikipedia, and other administrators began deleting images "en masse", with Fox News reporting that a new policy change was underway. Days later Wales voluntarily relinquished his administrative powers on Commons under heavy criticism from the Wikimedia community. Fox News also
The Wikipedia Revolution Lih describes the importance of early influences on Wikipedia including Usenet, Hypercard, Slashdot, and MeatballWiki. He also explores the cultural differences found within sister projects such as the German Wikipedia, the Chinese Wikipedia, and the Japanese Wikipedia. The book also covers the Citizendium project, originally a fork of Wikipedia by co-founder Larry Sanger. There is a foreword by Wales, and an afterword partially created by volunteers through an online wiki detailing the problems and opportunities of Wikipedia's future. The Wikipedia Revolution The Wikipedia Revolution: How A Bunch of Nobodies Created The World's Greatest Encyclopedia is a 2009 popular history book