We wanted the students to watch the videos prior to class. Instead of spending 30 minutes lecturing about the Restatements and then discussing them, the students came to class prepared to do the discussion. This reduced the time necessary in class and also facilitated a deeper discussion. The time savings was used throughout the semester for more in-class group work. In class time was constructed assuming the students had watched the videos.
This is a great article and information is carries should serve as an example to law schools on how things should be done. Aaron provides great detail on the background in setting up the contracts course, how the videos were created, and the results from surveying the students who took the course.