A family member is now actually teaching for one of the online schools, and so it's been an education seeing what it is like from her perspective. Believe me, these teachers are doing a lot of work on the other end of that webcam.
It's worldwide, too, and students can get everything they need with just a click of a link. It's so cool.
I've never actually taken a course online, but I've investigated it before. It is opening up a lot of opportunities.