It's very informative about how to deal with different student personality types with different strategies.
Informative at teaching techniques for inattentive students or center stage. Make your presense known, inspire or motivate your students with guest speakers. Creating question cards, or meeting minute notes for students to review at the end of class.
I do have some students in my class that are inattentive, using their cell phones,ipads, computers or doodling. And, as you stated, i do walk toward them and immediately they put their devices down. In addition, I have had some "Center-Staged Sudents". I love both your ideas about asking them to be "observers" and taking notes. But my favorite idea is "Using it Wisely. I think it gvies the students reponsibity in adding good conversation about the topic.
