Contents -- Chapter 1. Introduction -- Social Connection -- Live Environmental Capture -- Contextual Sensing -- Chapter 2. The User-Centered Design Process Applied to Mobile -- Process of User-Centered Design -- Generative Research Methods -- Design Methods -- Rapid Prototyping and Field Evaluation of New Concepts -- Commercial Deployments -- Evaluating the Results of All Methods -- Chapter 3. Discovering What to Build -- The Process of Generative Research -- Defining Research Questions -- Using Probes -- Logging and Conversation Analysis -- Home Tours/Field Visits -- Task Analysis -- Semi-structured Interviews -- Recruiting Users -- Conducting the Research -- Affinity Analysis -- Discount Methods -- Chapter 4. Rapid Iterative Prototyping -- Build Only What You Need -- Build the Experience, Not the Technology -- Build It Sturdy (Enough) -- Other Pitfalls -- Discount Methods -- Chapter 5. Using Specific Mobile Technologies -- Location -- Data -- Bluetooth -- Environmental Capture -- Chapter 6. Mobile Interaction Design -- Modeling -- Structure and Flow -- Designing the Screen: Interface Design Principles -- Chapter 7. Usability Evaluation -- Lab Usability Evaluations -- Paper Prototypes -- Chapter 8. Field Testing -- Social Groups for Social Tech -- Real Context of Use -- Primary Device -- Field-Based Data Collection -- Discount Methods -- Chapter 9. Distributing Mobile Applications: Putting It All Together -- Beta Releases -- Scalability -- Instrumentation -- Ethics of Large-Scale Research -- Revenue -- Upgrades -- Chapter 10. Conclusion -- Acknowledgments -- Frank Bentley -- Ed Barrett -- Author Bios -- References -- Index.