Wikipedia – A New Community of Practice? O'Sullivan discusses the group's aims; its community and make-up; its costs of doing business (transaction costs); its relations with the public; and its legacy. The second part of the book applies the group theory approach to Wikipedia, devoting a chapter to each aspect. Chapter 10, on the structure of Wikipedia, explains the use of "talk pages" and . Chapter 13, "Wikipedia and the Nature of Knowledge," explores the question of expertise. In this chapter O'Sullivan claims a fundamental disagreement between Wikipedia's two founders, Jimmy Wales and Larry Sanger. While Wales, an admirer of the economist Friedrich Hayek, believed in the
Jimmy Wales former company's products. Though Wales argued that his modifications were solely intended to improve the accuracy of the content, he apologized for editing his own biography, a practice generally discouraged on Wikipedia. In a 2004 interview with "Slashdot", Wales outlined his vision for Wikipedia: "Imagine a world in which every single person on the planet is given free access to the sum of all human knowledge. That's what we're doing." Although his formal designation is board member and chairman emeritus of the Wikimedia Foundation, Wales's social capital within the Wikipedia community has accorded him a status that has been characterized