“ Privacy Reset: A guide to the important settings you should change now” is a Washington Post article you can read for free, and should.
With the almost complete lack of legislation on privacy or security in the United States (plenty of regulation of government sites, almost nothing for individuals or companies), the European Union has taken the lead on both issues. While some large corporations took an early lead in adopting EU regulations as a foundation for revamped privacy and security policies, more recently there has been a push to turn this into something of a game: make customization of privacy and security a maze, and hope the individual users never figure out how to escape.
This article is well worth your attention.