The document provides an overview of educational technology and how it has changed modern classrooms. It discusses how technologies from 1904 to 1994 remained similar but how entertainment technologies evolved over that same time period. Modern classrooms from 2004 onward began incorporating new technologies but retained the same pedagogical approaches. More recent classrooms from 2016 have seen new technologies combined with new pedagogical methods informed by insights from various fields related to learning science. The document outlines some of these new technologies, pedagogies, and insights that are transforming education.