See what apps are sharing your activity with Facebook
You can now see what apps share data with FB and its scary. In my case 267 apps have shared my activity with FB. See the article link. It also states the you can stop the tracking but I am not sure if that is possible based on FB wording.
https://www.inc.com/jason-aten/you-can-now-stop-facebook-from-tracking-your-activity-on-other-websites-heres-how.html
Hello. This post was really motivating, particularly since I was browsing for thoughts on this issue last Sunday. Rona Kleon Heater