I settled on my New Year’s resolution while giving a lecture to 85 masters students. It was one kid who unintentionally suggested the idea. He was sitting in the back row, silently pecking away at his laptop the entire class. At times, he smiled at his screen. But he rarely looked up at me. I had a choice. I could disrupt the class to single him out. Or I could do what most teachers in higher education do: just ignore it. After all, these students are adults, and they have to take a final exam. Do I have to be...