https://www.cnet.com/news/how-to-stop-sharing-facebook-data-after-cambridge-analytica-mess/

How many clicks does it take to keep your Facebook data private?

That was the question I set out to answer when I created a Facebook account on Wednesday. Specifically, I wanted to discover what it takes to prevent my Facebook friends from sharing data from my account (created under the alias Lauren Mapala, because I'd make a terrible spy).