The best teachers define and prepare lessons that engage students, and instruct when appropriate. If you need always be instructing, you do not understand learning.
When I was a high school student in the early 1980’s I had no interest in computers. As an undergraduate student, I realized they were useful to me. That perspective has served me well all these decades.
What does it say about me that I feel a weird sense of pride when I send text messages to my favorite morning radio show and they read them on the air?
Hey teachers, if you are going to share students’ work with others, get their permission. I don’t care the rationale or the justification. If you don’t you are showing gross disrespect for them as humans and creators.