Volume 16, Numbers 2, 3, and 4, 2001. T.P. Moran, P. Dourish, Introduction to This Special Issue on Context-Aware Computing. ANCHOR A.K. Dey, G.D. Abowd, D. Salber, A Conceptual Framework and a Toolkit for Supporting the Rapid Prototyping of Context-Aware Applications. M. Ackerman, T. Darrell, D.J. Weitzner, Privacy in Contexts. P.E. Agre, Changing Contexts of Awareness in Computing. V. Bellotti, K. Edwards, Intelligibility and Human Considerations in Context Aware Systems. M. Benerecetti, P. Bouquet, M. Bonifacio, Distributed Context-Aware Systems. P. Dourish, Seeking a Foundation for Context-Aware Computing. G. Fischer, Articulating the Task at Hand and Making Information Relevant to It. S. Greenberg, Context as a Dynamic construct. J. Grudin, Desituating Digital Representation of Context. J.I. Hong, J.A. Landay, An Infrastructure Approach to Context-Aware Computing. D. Kirsh, The Context of Work. P. Lucas, Mobile Devices and Mobile Data--Issues of Identity and Reference. M. McCullough, On Typologies of Situated Interaction. D.R. McGee, M. Pavel, P.R. Cohen, Context Extending the Meanings of Physical Objects With Language. S.A.N. Shafer, B. Brumitt, J.J. Cadiz, Interaction Issues in Context-Aware Intelligent Environments. D. Svanaes, Context-Aware A Phenomenological Perspective. T. winograd, Architectures for Context.