The Functional Role of Hierarchy

Hierarchy does play an important and useful role in our civilization. We have to see what is the functional role of hierarchy as well. Not so much that, but we think it's quite normal to have a city of 11 million people or to have a corporation with 2.5 million employees. And this is where the fascinating research by mathematical anthropologist called Dunbar was done. When we were tribes people, it would be the size of the tribe, for example. Which is more than 150 people. Now, whereas chimpanzees can't do it. They can handle about 30, I think it is. And then the great apes may be 40, 45 or so. You can legitimately remember