IA. Cataloging bibliographic control EB. Printing broadcasting electronic publishing but in this section EZ. None of these E. Publishing and legal issues IE. Data and metadata structures LR. OPAC systems BI. User interfaces CD. User training DD. Academic libraries H. Information sources HL. Databases and database Networking HN. e-journals HO. e-books HP. e-resources LA. Telecommunications LB. Computer networking LC. Internet LS. Search engines LZ. None of these activities channels education including WWW promotion supports usability