Zuck got the idea from some "books on finance and banking" he read in 2012: "The whole banking industry is based on charging people different rates." https://

Zuck got the idea from some "books on finance and banking" he read in 2012: "The whole banking industry is based on charging people different rates." https://theguardian.com/technology/2018/dec/05/facebook-emails-analysis-user-data-parliament https://theguardian.com/technology/2018/dec/05/facebook-emai...