An example of this is at a school in Dubai, where they placed a closed box in every class and let everybody get a peice of paper, write their idea down, fold it and then put the folded peice of paper inside the box,than they open all of these boxes and pick 50 different prompts, then they make a survey and make every student vote for what they want to do out of these 50 different prompts, the one with the most votes gets chosen.