Some call Donald Trump, the first Facebook President, the first Tweeter-in-chief.  Twitter may be where Trump sounds off, but deep data soundings purchased from Facebook, may have been what got him the White House platform from which he Tweets.  Nina Burleigh of Newsweek on her recent cover story on big data and high-stakes politics in the US and the UK where the same data miners and propaganda marketers, financed by the same ultra-conservative American billionaire also did BREXIT.