Came across an article recently that showed how Facebook has added a new option to the Adverts settings that allows Facebook to use tracking ads even if you previously opted out using the existing settings:
“Ads on apps and websites off of the Facebook Companies” – what legalese there I think. “The Facebook Companies” – looking at the details provides some further information on this: https://www.facebook.com/help/111814505650678:
Love the cute owl – makes you fell all warm and cuddly and safe doesn’t it. Don’t be fooled – having this option set to Yes means Facebook can track you across all their sites/services and probably beyond.
To turn it off simply hit Edit and choose No:
Thanks to Dave Carol for highlighting this: https://medium.com/@profcarroll/awkward-conversation-with-facebook-ef1734ecdc62#.tipvxac44