In the last 15 years, the ground - both in terms of technological advance and in the sophistication of analyses of technology - has shifted. At the same time, librarianship as a field has adopted a more skeptical perspective; libraries are feeling market pressure to adopt and use new innovations; and their librarians boast a greater awareness of the socio-cultural, economic, and ethical considerations of information and communications technologies. Within such a context, a fresh and critical analysis of the foundations and applications of technology in librarianship is long overdue.