Complexity, by M. Mitchell Waldrop. His favorite paper to pass out was “How Complex Systems Fail,” an eighteen-bullet-point summary by Richard I. Cook, now a professor of health care systems safety in Sweden. (Bullet Point #6: Catastrophe is always just around the corner.) “People think that complex is an advanced state of complicated,” said Zoran. “It’s not. A car key is simple. A car is complicated. A car in traffic is complex.”