We used to do this (record instructors teaching) at my previous company, however the videos were only available to registered (paid) students. Making education

We used to do this (record instructors teaching) at my previous company, however the videos were only available to registered (paid) students. Making education freely available to everyone was the style of early Greek philosophers. Then the sophists came along. They were a group of educators who travelled around and would only teach those who paid for it. It's a pity (albeit unsurprising) that this was the pattern that survived.