[ds9]

"My recommendation is to plan privacy ahead. Think of your product as something that should not 'keep everything, analyze later' but 'keep what we must, and dump the rest'."

This is what we call "solving the wrong problem". Yes, those observations are good ones (albeit obvious) for anyone seeking to design a privacy-respecting service. But how do we get anyone to do that?

As long as companies are profit-oriented and legally able to do so, they will data-mine everyone as far as they can. What can be done about this? The author has nothing to say on this latter question.