So the capacity to play in prototype is really essential, but let’s look at how different teams perform. So the average for most people is around 20 inches; business schools students, about half of that; lawyers, a little better, but not much better than that, kindergarteners, better than most adults. Who does the very best? Architects and engineers, thankfully. (Laughter) Thirty-nine inches is the tallest structure I’ve seen. And why is it? Because they understand triangles and self-reinforcing geometrical patterns are the key to building stable structures. So CEOs, a little bit better than average, but here’s where it gets interesting. If you put you put an executive admin. on the team, they get significantly better. (Laughter) It’s incredible. You know, you look around, you go, «Oh, that team’s going to win.» You can just tell beforehand. And why is that? Because they have special skills of facilitation. They manage the process, they understand the process. And any team who manages and pays close attention to work will significantly improve the team’s performance. Specialized skills and facilitation skills are the combination that leads to strong success. If you have 10 teams that typically perform, you’ll get maybe six or so that have standing structures.