Earlier quoted context omitted.
So maybe a fair re-phrasing would be: "Facebook provided personal information to Cambridge Analytica and they used this information to assist the Trump campaign" With the understanding that (1) the data was taken without the permission of all people impacted (i.e. if your friend installed the app and gave their permission, then you could be affected), and (2) it's debatable how effective the data actually was for the…
Around that era I used those APIs to build a somewhat novel (and not very successful) dating site where you could play matchmaker for your friends based on their likes. I assure you, the API was public. At some point Facebook started getting flak for having APIs that grant access to data-about-friends. There are a couple ways of looking at this; one way is "I didn't grant my friends permission to share my data with a…
And I should correct myself that the phrase used by Zuck[1] was "breach of trust" not "data breach," though several other sources (articles, etc[2]) at the time did in fact use the term "data breach."
[1] https://web.archive.org/web/20180326162844/https://www.facebook.com/zuck/posts/10104712037900071
[2] (example) https://money.com/facebook-cambridge-analytica-data-breach-numbers/