Google has two courses for Nooglers (I believe they were called "Life of a Query" and "Life of a dollar") which cover the search process from the perspective of

Google has two courses for Nooglers (I believe they were called "Life of a Query" and "Life of a dollar") which cover the search process from the perspective of both a user and advertiser down all the common branches, all the way to the metal, and back to the user. Despite being a strong engineer, I recall thinking "computers are magic".