Not really, the truth is likely much more mundane: People are fairly predictable [1] and their predilections aren't that unique [2]. 1: https://www.forbes.com/

Not really, the truth is likely much more mundane: People are fairly predictable [1] and their predilections aren't that unique [2]. 1: https://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/#4dd10c976668 https://www.forbes.com/sites/kashmirhill/2012/02/16/how-targ... 2: Real conversation I overheard: "I was talking to my friend about buying a switch and the very next day I got FB ads for it!" - well duh, it's the holiday season and game consoles are very popular gifts.