# Acting with technology: Activity theory and interaction design > ## Part I. Activity Theory in Interaction Design ## Part I. Activity Theory in Interaction Design ### Chapter 1. Introduction ### Chapter 2. Do We Need Theory in Interaction Design? ### Chapter 3. Activity Theory in a Nutshell ### Chapter 4. Interaction Design Informed by Activity Theory ### Chapter 5. A Design Application of Activity Theory: The UMEA System ## Part II. Advanced Issues in Activity Theory ### Chapter 6. Objectively Speaking ### Chapter 7. Objects of Desire ### Chapter 8. Historical Currents in the Development of Activity Theory ## Part III. Theory in Interaction Design ### Chapter 9. Postcognitivist Theories in Interaction Design ### Chapter 10. Artifacts, Agency, and (A)symmetry ### Chapter 11. Looking Forward ## Appendix ### Appendix A: The Activity Checklist ### Appendix B: Online Resources on Activity Theory