Victor Kaptelinin is a Professor at the Department of Information Science and Media Studies, University of Bergen, Norway, and the Department of Informatics, Umea University, Sweden. He has held teaching and/or research positions at the Psychological Institute of Russian Academy of Education, Moscow Lomonosov University, and University of California, San Diego, USA. His main research interests are in interaction design, activity theory, and educational use of information technologies.Victor Kaptelinin is a Professor at the Department of Information Science and Media Studies, University of Bergen, Norway, and the Department of Informatics, Umea University, Sweden. He has held teaching and/or research positions at the Psychological Institute of Russian Academy of Education, Moscow Lomonosov University, and University of California, San Diego, USA. His main research interests are in interaction design, activity theory, and educational use of information technologies.

• Introduction: Activity theory and the changing face of HCI.- Basic concepts and principles of activity theory.- Agency.- Activity and experience.- Activity-centric computing.- Activity theory and the development of HCI.

Victor Kaptelinin is a Professor at the Department of Information Science and Media Studies, University of Bergen, Norway, and the Department of Informatics, Umea University, Sweden. He has held teaching and/or research positions at the Psychological Institute of Russian Academy of Education, Moscow Lomonosov University, and University of California, San Diego, USA. His main research interests are in interaction design, activity theory, and educational use of information technologies.Victor Kaptelinin is a Professor at the Department of Information Science and Media Studies, University of Bergen, Norway, and the Department of Informatics, Umea University, Sweden. He has held teaching and/or research positions at the Psychological Institute of Russian Academy of Education, Moscow Lomonosov University, and University of California, San Diego, USA. His main research interests are in interaction design, activity theory, and educational use of information technologies.

• Introduction: Activity theory and the changing face of HCI.- Basic concepts and principles of activity theory.- Agency.- Activity and experience.- Activity-centric computing.- Activity theory and the development of HCI.

Victor Kaptelinin is a Professor at the Department of Information Science and Media Studies, University of Bergen, Norway, and the Department of Informatics, Umea University, Sweden. He has held teaching and/or research positions at the Psychological Institute of Russian Academy of Education, Moscow Lomonosov University, and University of California, San Diego, USA. His main research interests are in interaction design, activity theory, and educational use of information technologies.Victor Kaptelinin is a Professor at the Department of Information Science and Media Studies, University of Bergen, Norway, and the Department of Informatics, Umea University, Sweden. He has held teaching and/or research positions at the Psychological Institute of Russian Academy of Education, Moscow Lomonosov University, and University of California, San Diego, USA. His main research interests are in interaction design, activity theory, and educational use of information technologies.

• Introduction: Activity theory and the changing face of HCI.- Basic concepts and principles of activity theory.- Agency.- Activity and experience.- Activity-centric computing.- Activity theory and the development of HCI.