This might be an interesting read if you haven't already, still doesn't go into too much tech detail unfortunately.
> What the email correspondence between Cambridge Analytica employees and Kogan shows is that Kogan had collected millions of profiles in a matter of weeks. But neither Wylie nor anyone else at Cambridge Analytica had checked that it was legal. It certainly wasn’t authorised. Kogan did have permission to pull Facebook data, but for academic purposes only. What’s more, under British data protection laws, it’s illegal for personal data to be sold to a third party without consent.
> “Facebook could see it was happening,” says Wylie. “Their security protocols were triggered because Kogan’s apps were pulling this enormous amount of data, but apparently Kogan told them it was for academic use. So they were like, ‘Fine’.”
> What the email correspondence between Cambridge Analytica employees and Kogan shows is that Kogan had collected millions of profiles in a matter of weeks. But neither Wylie nor anyone else at Cambridge Analytica had checked that it was legal. It certainly wasn’t authorised. Kogan did have permission to pull Facebook data, but for academic purposes only. What’s more, under British data protection laws, it’s illegal for personal data to be sold to a third party without consent.
> “Facebook could see it was happening,” says Wylie. “Their security protocols were triggered because Kogan’s apps were pulling this enormous amount of data, but apparently Kogan told them it was for academic use. So they were like, ‘Fine’.”
https://www.theguardian.com/news/2018/mar/17/data-war-whistl...