I don't thinks is Facebook specific, I'm sure other do it too. What I had in mind is that fact that Facebook isn't just an app buy or website you go to. They ac

I don't thinks is Facebook specific, I'm sure other do it too. What I had in mind is that fact that Facebook isn't just an app buy or website you go to. They actively try to collect information about the users. Apple has long been moving towards more privacy, so Facebook shouldn't have been upset that Apple is limiting tracking abilities. It should have been something Facebook saw coming and planned for years ago.