https://finance.yahoo.com/news/latest-practices-unchanged-facebook-privacy-160313991.html

The company is reeling from news that a Trump-affiliated data-mining firm used ill-gotten data from millions of users to try to influence elections. Facebook says as many as 87 million people may have had their data accessed — an increase from the 50 million disclosed in published reports.

Among the latest changes: Facebook is restricting access that apps can get about users' events, as well as information about groups such as member lists and content.