There used to be a lot of acts, which was good, because people don't want to see the same act every night. But, you don't want too many acts, you don't want to over-saturate it. ↗
Vegas has the Whitman's Sampler of audiences. They come from all different places, so you have to do some crowd psychology. You have to find the heartbeat of the room. It doesn't shift my jokes, but it shifts my timing and my attention. ↗