As I reflected on this, I started to think again about a book I had read ten years before: The Shallows by Nicholas Carr—a landmark work that really alerted people to a crucial aspect of the growing attention crisis. He warned that the way we are reading seems to be changing as we migrate to the internet—so

Postman uses this concept to argue, among other points, that the impact of the printing press is deeper than we realize. The standard narrative about this invention is that mass-produced pamphlets and books allowed information to spread faster and farther, speeding up the evolution of knowledge that culminated in the Age of Reason. Postman replies