In his TEDx talk Don’t do your best, Keith Johnstone, the world-renowned expert in theatre improvisation, advises improvisers to be average. Photo by Gavin Allanwood on Unsplash This is not because he wants average performances. He knows that improvisers want to be original, but when they try to be original their performances turn out mediocre. He gives supporting evidence for this in the form of world record breaking athletes. When do you think they broke the records?