Online education is pretty special for two reasons. One is that you can get the very best lecture in the world and wherever you are, whenever you want, you can connect to that lecture. The other is this interactivity, where if you know a topic, you can kind of skip over it. Or if you're confused about it, [the area] where you're confused can be analyzed by software.
Bill GatesThe human body is the most complex system ever created. The more we learn about it, the more appreciation we have about what a rich system it is.
Bill Gates