When internet users open most websites or apps, a bid request broadcasts information about potential ad impressions far and wide. Johnny Ryan, senior fellow at both the Irish Council for Civil Liberties and the Open Markets Institute, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss why real-time bidding as it's currently executed has personal data protection problems.
Subscribe to the "Behind the Numbers" podcast on SoundCloud, Apple Podcasts, Pandora, Spotify or Stitcher.