Keynote Papers -- Affective Loop Experiences – What Are They? -- Fine Processing -- Mass Interpersonal Persuasion: An Early View of a New Phenomenon -- Social Network Systems -- Online Persuasion in Facebook and Mixi: A Cross-Cultural Comparison -- Website Credibility, Active Trust and Behavioural Intent -- Network Awareness, Social Context and Persuasion -- Knowledge Management -- Persuasion in Knowledge-Based Recommendation -- Persuasive Technology Design – A Rhetorical Approach -- Benevolence and Effectiveness: Persuasive Technology’s Spillover Effects in Retail Settings -- Applications -- Persuasive Technology for Shaping Social Beliefs of Rural Women in India: An Approach Based on the Theory of Planned Behaviour -- Enabling Calorie-Aware Cooking in a Smart Kitchen -- perFrames: Persuasive Picture Frames for Proper Posture -- Persuasion for Stronger Passwords: Motivation and Pilot Study -- Conceptual Frameworks -- Six Patterns for Persuasion in Online Social Networks -- A Systematic Framework for Designing and Evaluating Persuasive Systems -- Digital Therapy: Addressing Willpower as Part of the Cognitive-Affective Processing System in the Service of Habit Change -- Perspectives on Persuasive Technology -- The Persuasive Power of Human-Machine Dialogue -- Designing Persuasive Dialogue Systems: Using Argumentation with Care -- Categorization as Persuasion: Considering the Nature of the Mind -- A Qualitative Study of Culture and Persuasion in a Smoking Cessation Game -- Peer-to-Peer and Social Networks -- Exploring the Acceptability of Delayed Reciprocity in Peer-to-Peer Networks -- How to Build a Persuasive Web Application -- “Hey World, Take a Look at Me!”: Appreciating the Human Body on Social Network Sites -- Self-persuasion and Timing -- Digital Therapy: The Role of Digital Positive Psychotherapy in Successful Self-regulation -- Finding Kairos in Quitting Smoking: Smokers’ Perceptions of Warning Pictures -- Exploring the Persuasiveness of “Just-in-time” Motivational Messages for Obesity Management -- Well-Being Applications -- BLB: A Persuasive and Interactive Installation Designed to Improve Well-Being -- A Case Study on an Ambient Display as a Persuasive Medium for Exercise Awareness -- Technology that Persuades the Elderly -- Theoretical Considerations -- Design with Intent: Persuasive Technology in a Wider Context -- The Influence of Gender and Involvement Level on the Perceived Credibility of Web Sites -- Embodied Agents on Commercial Websites: Modeling Their Effects through an Affective Persuasion Route.

This book constitutes the refereed proceedings of the Third International Conference on Persuasive Technology, PERSUASIVE 2008, held in Oulu, Finland, in June 2008. The 17 revised full papers and 12 revised short papers presented together with 3 keynote papers were carefully reviewed and selected from 63 submissions. The papers are organized in topical sections on social network systems, knowledge management, applications, conceptual frameworks, perspectives on persuasive technology, peer-to-peer and social networks, self-persuasion and timing, well-being applications, and theoretical considerations.