Table of Contents - 6 Preface - 8 Introduction:Co-Production, Agency, and Normativity - 10 The Distribution of Agency - 28 Back to the Drawing Board: Inventing a Sociology of Technology - 30 Artifacts as Social Agents - 62 Diversity and Distributed Agency in the Design and Use of Medical Video-Communication Technologies - 86 The Mediation of Agency - 108 Choices and Choosing in Cancer Genetics - 110 Artifacts and Attachment:A Post-Script Philosophy ofMediation - 126 Art and Technology Playing Leapfrog:A History and Philosophy of Technoèsis - 148 The Politics of Agency - 170 Taking the Socio-Technical Seriously: Exploring the Margins for Change in the Traffic and Transport Domain - 172 Trapped in the Duality of Structure:An STS Approach to Engineering Ethics - 200 The Cultural Politics of Prenatal Screening - 230 Epilogue: Political Materials - Material Politics - 258 References - 274 About the Authors - 294 Index of Names - 298 Index of Subjects - 304

About the Author

Hans Harbers is associate professor in philosophy of science, technology and society at the Department of Philosophy, Groningen University.