Perhaps you are right. Usually things don't get too out of hand. A few slaps with a trout and things start to quiet down. < s >

>Too formal, and takes too much time. During my lectures, I like to break and ask if everybody's keeping up, or if anybody has questions. I would prefer that people not ask questions until the presenter (me) has opened the floor for questions. It should be up to the presenter to decide how often to do this.
>After the floow is open, it should be sufficient for the attendee to state:
>
>"How do we ..."
>
>and the presenter to address the question with :
>
>"EM- you do it like..."
>
>where EM are the initials of the asker.