https://www.theguardian.com/news/2018/mar/17/data-war-whistleblower-christopher-wylie-faceook-nix-bannon-trump https://www.theguardian.com/news/2018/mar/17/data

https://www.theguardian.com/news/2018/mar/17/data-war-whistleblower-christopher-wylie-faceook-nix-bannon-trump https://www.theguardian.com/news/2018/mar/17/data-war-whistl... is good (a bit long..) and http://www.straitstimes.com/world/united-states/how-facebook-data-helped-trump-win-over-voters http://www.straitstimes.com/world/united-states/how-facebook... has a great quote that sums it up.. >The output was put to work in what Mr Nix called "behavioural micro-targeting" and "psychographic messaging". Instead of creating broad messages to talk to the voters in bulk - they could create micro-campaigns that could target particular voters and push their buttons (and that might have raised flags done publicly). Sometime this meant influencing someone borderline towards Trump. Sometimes this meant targeting Clinton supporters in swing-state to influence them not to vote (https://www.theverge.com/2016/10/27/13434246/donald-trump-targeted-dark-facebook-ads-black-voters https://www.theverge.com/2016/10/27/13434246/donald-trump-ta...) This adds up to a far more weaponized media than traditional advertising could be.