How Facebook data scandal unfolded
Media playback is unsupported on your device
Video

How the Facebook-Cambridge Analytica data scandal unfolded

Facebook has said it now believes up to 87 million people's data was improperly shared with the political consultancy firm Cambridge Analytica.

Here's what we know so far about how the controversy occurred.

  • 05 Apr 2018
Go to next video: What does Facebook know about me?