I completely agree with you and I agree with disrupting the classroom. A good approach is to simply make an online classroom that has all the bells and whistles

I completely agree with you and I agree with disrupting the classroom. A good approach is to simply make an online classroom that has all the bells and whistles of innovative technology - on-demand, free or low-cost, high-quality materials, community interaction and so on. For traditional subjects the existing textbooks are good from a content point of view. They've been peer reviewed hundreds of times. The problem is that it is difficult to just self-study these books and understand the subject completely.