One of the easiest ways to understand how #facebook works is to look from the perceptive of their customers - no not you ❌ but their [billion dollar advertising customers]
Obviously, fire up Tor - visit their ad and business page. Look it up via your search engine. Follow the link in the screenshots.
So many contradicting statements 'we use your personal data' 'we don't use your personal data' you realize it's a gimmick.
Money speaks. Facebook is an ̶s̶o̶c̶i̶a̶l̶ ̶n̶e̶t̶w̶o̶r̶k̶i̶n̶g advertising company.