The Data That Turned the World Upside Down
noah emrich

Written by Hannes Grassegger and Mikael Krogerus Psychologist Michal Kosinski developed a method to analyze people in minute detail based on their Facebook activity. Did a similar tool help propel Donald Trump to victory? Two reporters from Zurich-based Das Magazin (where an earlier version of this story appeared in December in German) went data-gathering.