Has Facebook profited from fake news?
BBC Panorama's Darragh MacIntyre presses the social media giant.
Watch Panorama on BBC One at 19:30 BST on 8 May 2017. It will be available shortly after on BBC iPlayer
BBC Panorama's Darragh MacIntyre presses the social media giant.
Watch Panorama on BBC One at 19:30 BST on 8 May 2017. It will be available shortly after on BBC iPlayer