Many people reading this post will be educators. Not only does ‘free’ usually sound good to schools, but the philosophy enshrined in OSS should appeal to. Students can contribute to these communities and projects, and real-world learning experiences can be had. Show them the alternative to capitalism.
Roundup of the results of research to better understand learning theory, learner preferences and engagement, and educational outcomes.
Video: Learning Theory Lectures
Five of these video lectures have picture in picture and the other 3 rotate between me and the slides.
Cost of these educational videos = zero, nada, nothing.