In 1913, Thomas Edison proclaimed that film would change school

[ryoder]

Yes he underestimated interest groups like teachers unions that are loathe to change from the established model. I wrote a paper in 9th grade English criticizing teachers for practicing 19th century teaching techniques. My teacher wasn't very happy with the paper and said that I should research 19th century teaching techniques. I think I should have said 1st century techniques because the lecture is really an old form of teaching.