Videos are dynamic. They are the closest medium currently we can get to pretending we're inside the presenter's head in real time (I'm thinking of khan-academy

Videos are dynamic. They are the closest medium currently we can get to pretending we're inside the presenter's head in real time (I'm thinking of khan-academy style videos). To experience how an expert solves a problem and the steps they go though is great and is hard to convey though a book (you would essentially need a flip-book or multi-step diagrams that get very big very fast and it's also hard to convey the temporal aspect of the process that's being explained).