When a person uses pornography on the internet, they are giving producers of porn access to information that undermine the user’s freedom. Producers access user data to manipulate what they see and lead them down a path of behavior that leads to addiction. Once hooked, users pay for premium content and the business model pays off. Producers deploy one of the most sophisticated digital data analysis operations that caters to users and not advertisers. Producers then sell its data collection — on the most intimate of subjects — to buyers eager to manipulate viewers.
Read more here: Porn sites collect more user data than Netflix or Hulu. This is what they do with it