To generate a high volume of ideas in a non-analytical manner which permits the ideas of one individual to stimulate the ideas of the other individuals in the team. Guidelines Quantity is important. Get as many ideas as possible.
Creativity is important.
Silly, impossible, fantasy ideas are vital. Encourage these wild ideas which can act as triggers to stimulate breakthroughs into new directions. Don't criticize, evaluate, judge or discuss ideas. Let them flow. Asking for clarification of an item is acceptable.