Facebook knows what you're doing on other sites and in real life. This tool lets you see what it knows about you.
Facebook tracks your activity on other websites, third-party apps, and even real-life stores and restaurants.
17 Mar 2020 ... Facebook tracks your activity on other websites, third-party apps, and even ... it's now possible to keep tabs on how Facebook is tracking your activity. ... it wouldn't be possible for users to delete all their data from Facebook.