Khan Academy: Great Idea- With One Glaring Hole

I’ve been following the Khan Academy for a while now. I love the idea of putting learning online. I believe that there’s a big advantage to having access to a teacher’s think-aloud at any time of the day, anywhere in the world. That is an extremely powerful idea, and it wasn’t available or possible a few years ago. So- Salman Khan began making his videos for his cousins, putting them on YouTube, and we all started to take notice. The [...]