Educational technology has contributed immensely in improving the reach of knowledge and information to a wide set of readers. It involves incorporating different technological tools and techniques for knowledge circulation or facilitating the interaction between various teachers, students and other participants. This book focuses on understanding significant concepts as well as emerging challenges in the field of learning technology. It compiles important concepts like web based learning, computer assisted learning, e-learning and assessment of educational technology and its applications in education, etc. The book aims to provide in-depth knowledge on the multiple facets of learning technology that would be helpful for all the students and academicians alike.