Factbox: Who is Cambridge Analytica and what did it do?
https://www.reuters.com/article/us-facebook-cambridge-analytica-factbox/factbox-who-is-cambridge-analytica-and-what-did-it-do-idUSKBN1GW07F
British data analytics firm Cambridge Analytica is at the center of controversy in the United States and Britain after two newspapers reported on Sunday that the company harvested personal data about Facebook users beginning in 2014.
