Paul M. Leonardi is the Pentair-Nugent Associate Professor in the Departments of Communication Studies and Industrial Engineering and Management Sciences at Northwestern University where he teaches courses on the management of innovation and organizational change in the School of Communication, the McCormick School of Engineering, and the Kellogg School of Management. His research focuses on how companies can design organizational structures and employ advanced information technologies to more effectively create and share knowledge. He is the author of Car Crashes Without Cars: Lessons about Simulation Technology and Organizational Change from Automotive Design (MIT Press, 2012).; Bonnie Nardi is a Professor in the Department of Informatics at the Donald Bren School of Information and Computer Sciences, the University of California, Irvine. An anthropologist, she has studied the uses of digital technologies in offices, schools, homes, libraries, hospitals, scientific laboratories, and virtual worlds. Her theoretical orientation is activity theory. She is the author of many scientific articles and books. Her latest books are My Life as a Night Elf Priest: An Anthropological Account of World of Warcraft (University of Michigan Press, 2010) and Ethnography and Virtual Worlds: A Handbook of Method (co-author, Princeton University Press, 2012). ; Jannis Kallinikos is Professor and PhD programme Director in the Information Systems and Innovation Group, Department of Management at the London School of Economics. His research covers a wide range of topics on the interpenetration of technology with the administrative and institutional arrangements of contemporary societies. Recent books include The Consequences of Information: Institutional Implications of Technological Change (Edward Elgar, 2006), and Governing Through Technology: Information Artefacts and Social Practice (Palgrave, 2011).