Aarti Shahani April 04, 2018 Updated April 05, 2018 20180404_atc_facebook_and_cambridge_analytica.mp3 Listen • 4:12 20180404_atc_facebook_and_cambridge_analytica.mp3 Copyright 2018 NPR. To see more, visit http://www.npr.org/ . Aarti Shahani
