Innocence fled through the front door when the story of Facebook and Cambridge Analytica hit the headlines. The comforting myths that businesses in the world of technology make their billions by directing ads at their users and that it is the machine and algorithms that discover your interest and not a prying human have had their obituaries written. There have been determined efforts over the past decade to destroy the idea of privacy, because privacy has emerged as the chief obstacle to unbridled use of personal information gathered, aggregated, recast and used in ways that keep expanding.