Ed tech is profitable. It is also mostly useless

The Economist

It is increasingly clear that the careless mass introduction of 1:1 devices (on each kid's desk) in the 2010s was, at best, a waste of billions that could have been spent on teachers. At worst: a major cause of declining ed outcomes. https://t.co/iYKzRxu6B3

— Jonathan Haidt (@JonHaidt) February 1, 2026