https://www.theguardian.com/news/2018/mar/22/facebook-gave-data-about-57bn-friendships-to-academic-aleksandr-kogan >Volume of data suggests trusted partnership with Aleksandr Kogan, says analyst >Before Facebook suspended Aleksandr Kogan from its platform for the data harvesting “scam” at the centre of the unfolding Cambridge Analytica scandal, the social media company enjoyed a close enough relationship with the researcher that it provided him with an anonymised, aggregate dataset of 57bn Facebook friendships.