Book excerpt: The Wiley Handbook of Learning Technology is an authoritative and up-to-date survey of the fast-growing field of learning technology, from its foundational theories and practices to its challenges, trends, and future developments. Offers an examination of learning technology that is equal parts theoretical and practical, covering both the technology of learning and the use of technology in learning Individual chapters tackle timely and controversial subjects, such as gaming and simulation, security, lifelong learning, distance education, learning across educational settings, and the research agenda Designed to serve as a point of entry for learning technology novices, a comprehensive reference for scholars and researchers, and a practical guide for education and training practitioners Includes 29 original and comprehensively referenced essays written by leading experts in instructional and educational technology from around the world