We are hooked on unpredictability. Apps use structured chance to trigger...

https://record-wiki.win/index.php/The_Architecture_of_Unease:_What_Pew_Research_Center_Reveals_About_Modern_Digital_Design

We are hooked on unpredictability. Apps use structured chance to trigger immediate feedback loops that keep us locked in. This isn’t luck. It is a deliberate design choice driving the attention economy