This is exactly the sort of false reasoning that causes mass hysteria and general stupidity. It's a bunch of servers that know lots about you. Google then uses

This is exactly the sort of false reasoning that causes mass hysteria and general stupidity. It's a bunch of servers that know lots about you. Google then uses these servers to match ads to you. There is no team of Google employees who knows every detail of your life and personally matches ads to you. It's servers and algorithms all the way down. A server has as much use for your likes and dislikes as it does for a piece of pizza (which you may or may not like).