When Disneyland was first created, it was designed to be a place where people would feel happy – happy about reliving the best moments of their childhood, happy to see their children enjoying themselves and happy to learn new things about science, history and technology. Soon after the park’s grand opening, they found that despite their best efforts, they could not actually make people happy. It turns out that happiness isn’t something you can inject into people. They had to give up on that idea. Instead, they wisely chose to create the...