This is worth sharing, and a big reason you need to practice observing enough to actually understand what is going on when stuff moves and functions in the real world, and not in your head.
"Kevin O'Regan has suggested that we may use the world as an "outside memory" to save
us from having to store huge amounts of information. Since this information can
usually be found simply by moving our eyes, we do not need to retrieve it from our
Steve Morris deserves the credit for finding this very useful piece of research.