- [[subcomponents of great knowledge work]] # Idea Coined by Drucker in 1959 (see [[Drucker 1959 landmarks of tomorrow - a report on the new post modern world]]), it refers to **cognitive work**. Knowledge or cognitive work became dominant in the 1950s when the American economy shifted from manual or physical to cognitive work. Such work required mental effort and cognitive skills that cannot be broken down into repetitive, simple, mechanical motions. # References - [[Drucker 1959 landmarks of tomorrow - a report on the new post modern world]] - [The rise and fall of getting things done](https://www.newyorker.com/tech/annals-of-technology/the-rise-and-fall-of-getting-things-done)