Facebook CEO Mark Zuckerberg has testified before a Senate committee, where he said his firm is stepping up its battle against Russia and other influential global players that have been misrepresenting themselves on the social media network.
The hearing was called in response to the recently-revealed leak of massive quantities of Facebook data to the British-based data-mining firm Cambridge Analytica.
Correspondent Mary MacCarthy has more:
IN: "Facebook's CEO..."
OUT: SOCCorrespondent Mary MacCarthy has more:
IN: "Facebook's CEO..."