Examines interdisciplinary field of human-computer interaction through a comprehensive content and historical survey. Considers new trajectories of inquiry and how the field merges with others. "Social computing" is emphasized as a central topic. Students across disciplines will find the course foundational for understanding human-centered technology matters, including computer scientists; social scientists; and business and media arts students. Recommended prereq., CSCI 4839 or 5839. Prerequisites: Restricted to graduate students or Computer Science Concurrent Degree majors only.