[bko]

Can you be more specific about what you mean?

Can Facebook know that for instance I am a man, or I live in the US, or that I speak English? What is the line?

Ive never seen a practical model for what "privacy" means in this regard. Of course targeted ads are not new, as advertisments you see in Vogue is different than those in Men's Fitness and different that those in Jet.

So happy to consider the idea that privacy is something that can't be sold no matter the price as long as you have a coherent model of what privacy is