Hacking people through screens

Interviewer: "Once the algorithm knows what I want better than I know it -"

Harari: "You are a puppet. It can manipulate you; it can push your emotional buttons ... For the last 20 years, the smartest people in the world and the best technology in the world have been working on the problem of how to hack people and control them through screens, through smartphones [...] I'm no match for them [...] they would win, so I try to limit access."