What's different this time? The same things that knocked newspapers off their comfortable centuries-long perch: * costless digital networked replication and co

What's different this time? The same things that knocked newspapers off their comfortable centuries-long perch: * costless digital networked replication and communication; * replacement of traditional processes with software; and… * much faster improvement-iterations, driven by data and math. The formula is a little harder to apply to education, which is why education, from the Ivies on down, has had a decade or two reprieve.