Although there is a general consensus that 'what holds off line, holds on line,' there are circumstances that give rise to legal issues peculiar to the information technology environment. These essays deal with some of these issues and other relevant matters, including the following: This book elaborates and updates a staff exchange that took place in 2001 among legal scholars from the Universities of Oxford and Leiden. Its sometimes astonishing, sometimes unsettling insights represent today's clearest, best-informed thinking on the legal aspects of this all-pervasive feature of contemporary society. E-commerce is published in cooperation with the E.M. Meijers Institute of Legal Studies of Leiden University Faculty of Law.