Comment by ignoramous

These Bruce Schneier Talks at Google try to explain this:

Liars and Outliers: https://youtu.be/m3NJ-Ow2Lvg

Click Here to Kill: https://youtu.be/GkJCI3_jbtg

Hidden Battles to Collect Your Data and Control Your World: https://youtu.be/GhWJTWUvc7E

Highly recommended it since you seem interested.