Facebook Pattent:Algorythm To Collect Unwitting Users Video For Emotional Prediction Algorythm;" PR And Ethical Minefield.”
In this Breitbart article CB Insights Calls this: "Tricky" and continues "On the one hand, they want to identify which content is most engaging and respond to audience’s reactions, on the other emotion-detection is technically difficult, not to mention a PR and ethical minefield."