Welcome to the proceedings of APCHI 2008, the 8th Asia-Pacific Conference on Computer-Human Interaction held in Seoul, Korea. Following the success of the preceding APCHI conferences, in Singapore (1996, 2000), Australia (1997), Japan (1998), China (2002), New Zealand (2004) and Taiwan (2006), the 8th APCHI brought together the researchers, developers, practitioners, and educators in the field of human-computer interaction. APCHI has been a major forum for scholars and practitioners in the Asia-Pacific region on the latest challenges and developments in HCI. Theoretical breakthroughs and...