The best teachers, one hopes, don't shout at their students - because they are skilled at wooing as well as demanding the best efforts of others. For the ancient Greeks and Romans, this wooing was a sufficiently fine art in itself to be the central focus of education.
Forget artificial intelligence - in the brave new world of big data, it's artificial idiocy we should be looking out for.
We are all amateur attention economists, hoarding and bartering our moments - or watching them slip away down the cracks of a thousand YouTube clips.
Above all, the translation of books into digital formats means the destruction of boundaries. Bound, printed texts are discrete objects: immutable, individual, lendable, cut off from the world.
If computers remain far worse than us at image recognition, a certain over-confident combination of man and machine can elsewhere take inaccuracy to a whole new level.
The earliest known writing probably emerged in southern Mesopotamia around 5,000 years ago, but for most of recorded history, reading and writing remained among the most elite human activities: the province of monarchs, priests and nobles who reserved for themselves the privilege of lasting words.
From exam grading to health education to professional training to democratic participation, paths towards self-realization and success in the world are often daunting and obscure: journeys only the privileged feel confident setting off along.
In classrooms full of students who range from brilliant to sullen disaffection, it's games - and often games alone - that I've seen engage every single person in the room. For some, the right kind of play can spell the difference between becoming part of something, and the lifelong feeling that they're not meant to take part.
The biggest neurological turn-on for people is other people. This is what really excites us. In reward terms, it's not money; it's not being given cash - that's nice - it's doing stuff with our peers, watching us, collaborating with us.