Lecture, four hours. Social, cultural, and technical practices through which information and media infrastructures--networks, systems, technologies, algorithms, interfaces, standards, institutions, bureaucracies, markets--are designed, built, maintained, and evaluated. Ways in which information infrastructures both shape and are shaped by governmental policy, institutional decision making, socioeconomic trends, labor movements, technical advances, and professional and personal value systems, at levels ranging from local to global. S/U or letter grading.