The concept of "getting better" implies doing something different, and that the "something different" is "better" in some way.
To the current generation of undergraduate students, email seems old fashioned. Sometimes faculty can be hesitant to use email, let alone send a text message or use Facebook. So is it possible to meet in the middle?
You’ve just finished teaching a course—maybe for the first time—and you probably have a few things you’d change about the course before you teach it again. Don’t just set the syllabus aside!