Contents: G. Salvendy, Series Foreword. S. Bagnara, G. Crampton Smith, Introduction. Part I: Activity. Y. Engestrom, Activity Theory and Expansive Design. T.P. Moran, Activity: Analysis, Design, and Management. M. Bergamasco, Virtual Environments and Haptic Interfaces. Part II: Emotion. R. De Monticelli, The Feeling of Values: For a Phenomenological Theory of Affectivity. P. Marti, The Contagion of Emotions. D.A. Norman, A. Ortony, Designers and Users: Two Perspectives on Emotion and Design. Part III: Situatedness. C. Ciborra, Situatedness Revisited: The Role of Cognition and Emotion. G. Crampton Smith, P. Tabor, More Than One Way of Knowing. Part IV: Community. C. Goodwin, Participation and Community. P. Ehn, Participation in Interaction Design: Actors and Artifacts in Interaction. Part V: Conversation. C. Castelfranchi, From Conversation to Interaction Via Behavioral Communication: For a Semiotic Design of Objects, Environments, and Behaviors. M. Mattioda, F. Vercellone, From Function to Dialog. O. Stock, M. Guerini, M. Zancanaro, Interface Design and Persuasive Intelligent User Interfaces. Part VI: Memories. G. Leone, Remembering Together: Some Thoughts on How Direct or Virtual Social Interactions Influence Memory Processes. M.A. Brandimonte, Memory for Future Actions. G. De Michelis, Community Memory as a Process: Reflections and Indications for Design. Part VII: Market. L. Picci, Bad Design by Design? Economics Meets Other Types of Interactions. M. Franzini, From Interaction Costs to Interaction Design. B. Moggridge, Interaction Design: Six True Stories. Part VIII: In Search of a Framework. S.H. Poggenpohl, Interaction as an Ecology: Building a Framework. T. Erickson,