Acknowledgments -- 1 Introduction: The Desktop Metaphor and New Uses of Technology -- I Designing Out of the Box -- Introduction to Part I -- 2 Beyond Lifestreams: The Inevitable Demise of the Desktop Metaphor -- 3 Haystack: Per-User Information Environments Based on Semistructured Data -- 4 Explorations in Task Management on the Desktop -- II The Social Dimension of Personal Environments -- Introduction to Part II -- 5 Personal Role Management: Overview and a Design Study of Email for University Students -- 6 Soylent and ContactMap: Tools for Constructing the Social Workscape -- III From Tasks to Activities -- Introduction to Part III -- 7 Supporting Activity in Desktop and Ubiquitous Computing -- 8 From Desktop Task Management to Ubiquitous Activity-Based Computing -- IV Reflections on the Desktop Metaphor and Integration -- Introduction to Part IV -- 9 Users' Theories of the Desktop Metaphor, or Why We Should Seek Metaphor-Free Interfaces -- 10 Toward Integrated Work Environments: Application-Centric versus Workspace-Level Design -- Conclusion -- 11 Beyond the Desktop Metaphor in Seven Dimensions -- Contributors -- Index.