 input they have to put into their work. So the assembly line makes people efficient because they don't have to think about what they're doing. And so as a result of that, people thought, well, if I'm working with my hands, I must not need to think. And that's true if you're working in a job in the assembly line. And so that's part of the problem. Now, what you see is that people at that point were saying, well, if you want to think,