Hailed on first publication as a compendium of foundational principles and cutting-edge research, has become the gold standard reference in this field. Derived from select chapters of this groundbreaking and authoritative resource, emphasizes emerging topics such as sensor based interactions, tangible interfaces, augmented cognition, cognition under stress, ubiquitous and wearable computing, and privacy and security. It puts the spotlight not only on the fundamental issues involved in the technology of human-computer interactions and but also on the users themselves. The book features visionary perspectives and developments that fundamentally transform the way in which researchers and practitioners view this discipline.