To be clear, they don't need to know you by name and address, if you're AnonymousUser#7820300195 they still get to know what you were browsing, what interests y

To be clear, they don't need to know you by name and address, if you're AnonymousUser#7820300195 they still get to know what you were browsing, what interests you, and what you're likely to click on. In fact, knowing your actual personal details is probably a liability they don't need.