I've always had a rather ambivalent attitude to Robert X. Cringely, not least because I go so far back that I remember all the messy business with Infoworld when he left, and that strange time when there were several Cringelies knocking around simultaneously.
Anyway, his PBS column is always well written and frequently illuminating. His
latest is about education - or rather, about open education, since he muses on the changing way people will learn, and that means open education. There's a very nice insight about halfway through: