https://www.cnet.com/news/cambridge-analytica-no-facebook-data-used-in-us-election/

"Please can I be absolutely clear," Alexander Tayler said in a statement on the company's site, "we did not use any GSR data in the work we did in the 2016 US presidential election."

Cambridge Analytica is at the heart of a scandal that's stirred up two national governments and the world's largest social network. Last Friday, reports by The New York Times and the Britian's Guardian and Observer newspapers said the UK-based data consultancy obtained data about millions of Facebook users through methods that violated Facebook's policies.