Criticism of Wikipedia hands—but they had agreed that the company would not be allowed to review his writing before submission". Jimmy Wales, also quoted by CBS, expressed his disapproval of Microsoft's involvement: "We were very disappointed to hear that Microsoft was taking that approach". In the essay, "Can History be Open Source?: Wikipedia and the Future of the Past" (2006), the academic historian Roy Rosenzweig criticized the encyclopedic content and writing style used in Wikipedia, for not distinguishing subjects that are important from subjects that are merely sensational. That Wikipedia is "surprisingly accurate in reporting names, dates, and events in U.S. history", and
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