Teaching and learning online take place in schools that operate completely in a computerized world. The underlying technology that makes this possible is growing and evolving at a rapid pace, guaranteeing that online schools will be around for a long time and but must change continuously to keep up with new capabilities. This volume provides the history of learning outside the traditional classroom and explains the technology of online education, tools and techniques used in online learning. Readers will also learn about the limitations and advantages of online learning.