Privacy is not a thing of the past!
The private data of your public identity, certainly, it’s for sale left and right. But you can still have secrets, encryption tech is getting easier and more widespread. It is not perfect or foolproof, but the more people trust the power of large keys (of the 4096-bit variety), the harder it is for marketers and governments to get an idea of who you are and what you’re up to. Don’t submit, encrypt!