Well, I didn't say "behind what exists on the web today." Blackboard has the dominant share of the commercial e-learning industry, and Moodle is popular as an o

Well, I didn't say "behind what exists on the web today." Blackboard has the dominant share of the commercial e-learning industry, and Moodle is popular as an open-source alternative. Both of them are expensive to operate and out of range for many smaller schools. And both of changed little in the past 5 years to enhance collaboration and sharing among students.