Christopher M. Kelty is an associate professor at the University of California, Los Angeles. He has a joint appointment in the Institute for Society and Genetics, the department of Information Studies and the Department of Anthropology. His research focuses on the cultural significance of information technology, especially in science and engineering. He is the author most recently of Two Bits: The Cultural Significance of Free Software (Duke University Press, 2008), as well as numerous articles on open source and free software, including its impact on education, nanotechnology, the life sciences, and issues of peer review and research process in the sciences and in the humanities. He is trained in science studies (history and anthropology) and has also written about methodological issues facing anthropology today.