Privacy is not about anachronistic prohibitions on information flow, but about personhood. I was one of those young hackers who didn’t get this point for a long time. I used to think that an open world would favor the honest and the true, and disfavor the schemers and the scammers. In moderation this idea has some value, but if privacy were to be vanquished, people would initially become dull, then incompetent, and then cease to exist. Hidden in the idea of radical openness is an allegiance to machines instead of people.