This video series, Explore with Smithsonian Experts, connects students and teachers with the skill and technique of Smithsonian experts who describe their work at our nation's museums. Teaching the historians' craft
Popcorn allows a user to layer content on top of online video (video from another source). Others can then see the composite product. You do not save the finished product and others see the composite so this is a legal approach.
A critical (negative) analysis of the Kahn lecture materials. Arguing they do not provide "interactive engagement". I am not certain he says the videos do. What parts of the Alessi and Trollip components of instruction would we assume a video would cover.