The tools and media such as computer-based training and online learning which assist in the communication of knowledge and facilitate learning are known as educational technology. It can involve various software and hardware components. Additionally, it also involves the theoretical foundations, which support learning and teaching. Some of the various fields which lie within this domain are e-learning, technology-enhanced learning, multimedia learning, learning technology and instructional technology. Educational technology is an upcoming field of science that has undergone rapid developments over the past few decades. Some of the diverse topics covered herein address the varied branches that fall under this category. While understanding the long-term perspectives of the topics, this book makes an effort in highlighting their impact as a modern tool for the growth of the discipline. Those in search of information to further their knowledge will be greatly assisted by this book.