Ask This Instead of 'Any Questions?'
by Nick Douglas from Lifehacker on (#4W2X5)

I come from a quiet people. My classmates and I were always bad at asking questions of the teacher, or recognizing that we had questions. I wish I'd had someone like historian and professor Jacqueline Antonovich, who recently tweeted a trick for encouraging her students to pipe up. She simply rephrases the prompt "Any"