Multiple Facets of Personalization Authors Jacek Gwizdka School of Communication and Information, Rutgers University 4 Huntington St., New Brunswick, NJ 08901, USA Email: asist2009@gwizdka.com Nicholas Belkin School of Communication and Information, Rutgers University 4 Huntington St., New Brunswick, NJ 08901, USA Email: belkin@rutgers.edu Susan Dumais Context Learning and User Experience for Search (CLUES), Microsoft Research WA, USA Email: sdumais@microsoft.com Luanne Freund School of Library, Archival and Information Studies, University of British Columbia Vancouver, BC, Canada Email: luanne.freund@ubc.ca Susan Gauch Department of Computer Science and Computer Engineering, University of Arkansas USA Email: sgauch@uark.edu Panel Overview and Motivation Personalization of information access can involve customization of information, its presentations and interaction style. The need for personalization of interaction in information systems such as Digital Libraries (DLs) lies in two major areas: one having to do with