Saw this... did this...

PUBLIC SERVICE ANNOUNCEMENT
Since Facebook last updated, they now have a feature where they can track all "Off-Facebook Activity." Bank accounts, emails, apps, etc.

To turnoff, go to the Down Arrow in the top right corner, Go to Settings & Privacy > Your Facebook Information > Off-Facebook Activity. Then click "View". You will see everything they were tracking. You can then click "Clear History." You can turn it off when you click "Manage Your Off-Facebook Activity."