I've read about some comedians explaining how to make improvisation work, especially when working in duo: never dismiss any idea, just take it, expand on it, ke

I've read about some comedians explaining how to make improvisation work, especially when working in duo: never dismiss any idea, just take it, expand on it, keep the flow going. Well applicable to "improv" on your own, and also to "brainstorming" meetings: forbidden words "no" and "but..".