The integration of technology with education is known as educational technology. It is the study of the use of various technological processes and resources used to improve performance and facilitate learning. This domain tries to design, develop, analyze and evaluate tools to improve learning. It includes both theoretical and material tools to aid learning and teaching. The field encapsulates e-learning, information and communication technology, multimedia learning, computer based training, digital educational collaboration, cyber learning and virtual environments. Pedagogical perspectives such as behaviorism, constructivism and cognitivism play a crucial role in designing educational technology. Commonly used e-learning tools are collaborative software, document cameras, video cameras, virtual classrooms interactive whiteboard tools, etc. The various advancements in this field are glanced at in this book and their applications are looked at in detail. It provides a fair idea about this discipline and helps in developing a better understanding of the latest advances within educational technology. Scientists and students actively engaged in this domain will find this book full of crucial and unexplored concepts.