But you can prevent all other ways. IP tracking doesn't work well currently, the number of users sharing one IP can be significant. Other means of tracking can

But you can prevent all other ways. IP tracking doesn't work well currently, the number of users sharing one IP can be significant. Other means of tracking can be disabled with addins and by using common configurations (for browser fingerprints). Once you start assigning one static ip per device, there's nothing a user can do to prevent being tracked constantly.