Most of them. All of them? From some, I never hear any questions. The others, I hear domain specific questions (how do I do X?), or disambiguation (when you sa

Most of them. All of them? From some, I never hear any questions. The others, I hear domain specific questions (how do I do X?), or disambiguation (when you say this, do you mean ...?), or what's on the test, etc. There are few forward looking questions (what can I use this for? where is it used? what is the state of the art?).