FILE PHOTO: CEO of Cambridge Analytica, Alexander Nix, speaks during the Web Summit, Europe's biggest tech conference, in Lisbon

FILE PHOTO: CEO of Cambridge Analytica, Alexander Nix, speaks during the Web Summit, Europe’s biggest tech conference, in Lisbon

FILE PHOTO: CEO of Cambridge Analytica, Alexander Nix, speaks during the Web Summit, Europe's biggest tech conference, in Lisbon, Portugal, November 9, 2017. REUTERS/Pedro Nunes/File Photo

March 22, 2018 4:09 PM (UTC+8)