Ever wonder how sometimes you're thinking about a certain product, let's say a pair of shoes, or you're in the mood for pizza and all of a sudden you'll get an email or push notification on your phone exactly about that specific thing you had in mind? FREAKY RIGHT?! Well, it's called metadata, more specifically, Behavioral Data. And this documentary explains it in great depth.
Currently, I'm watching a terrific series called West World. It pretty much comes down to (SPOILER ALERT) using AI to study human behavior, which is essentially what professor Shoshana Zuboff clearly explains in her book and in this interview.