To be fair, they've been shown to still track unauthenticated users via fingerprinting and mapping it to known data from your friends who do have Facebook and u

To be fair, they've been shown to still track unauthenticated users via fingerprinting and mapping it to known data from your friends who do have Facebook and upload this data (phone numbers, first, last name, etc). NOT having an account doesn't mean you aren't being tracked. Not that it means you should just make an account to make their tracking easier...