Site of Video lessons (Learning Object-s) in Basic School Skills.
Mar'2011 TED talk.
My cousins told me they preferred me on YouTube to me in-person.
If Isaac Newton had done YouTube videos on calculus, I wouldn't have to.
Teachers are having students "learn" by watching the videos at home, then they do their homework during classtime, so they can work together and with the teacher!
We encourage experimentation and expect Personal Mastery. School is the opposite.
Ooh, I like the prerequisite-chain in the Exercise Dashboard http://www.khanacademy.org/exercisedashboard
Jul'2012: MTT2K - Dan Meyer and Justin Reich