For several years the concept of "virtual client" or "virtual customer" has been part of the world of libraries and information services. This publication contains the proceedings of a satellite meeting on this topic, organized by the Management and Marketing Section of IFLA and held in Sao Paulo, Brazil in August 2004. It contains papers from more general points of views such as the democratization of access to digital information to more specific questions such as virtual libraries and new services, not forgetting user and librarian education, web site design, more specialized...