Let's say I go to the mechanic with a light on in the dashboard, and he'll immediately notice the gas cap isn't tightly secured so it set off a car sensor. He p

Let's say I go to the mechanic with a light on in the dashboard, and he'll immediately notice the gas cap isn't tightly secured so it set off a car sensor. He probably went back to his mechanic friends, told them the story, and everyone laughed. The computer and everything about it is our profession/hobby/passion and that is the main reason we know so much more than everyone else about it.