This document discusses using Web 2.0 principles to become a Librarian 2.0. It introduces the presenter and topics that will be covered over the next two days, including what is Web 2.0 and Library 2.0, why libraries should care about these concepts, and various Web 2.0 tools. The document provides background on the concepts of Web 2.0, how it differs from Web 1.0, and key principles such as collaboration, sharing, and social connections. It also discusses the concept of Library 2.0 and how it focuses on user-centered design, participation, and two-way information sharing. Finally, it raises some warnings and thoughts around ensuring initiatives meet user needs and expectations.