When content is free, open, and accessible to all then we need to rethink what lectures should be used for and delivering content or knowledge is not a good use. Let kids go find the content.
Wrong: Awards and sanctions for schools, teachers, and students based on test scores. Let’s pay attention to the scores, but realize that tests will never tell us the full extent of student knowledge.
The technology used to be hard and that has changed, but the teaching is hard and it will always be hard.