Once I was hiking with a friend at Hymettous mountain in Athens and at one point I asked him: "Aren't you afraid of all the 'consents' that all the apps we use every day ask for? all the personal information that people voluntarily put on social networking sites? " His answer puzzled me. "No, I have nothing to hide, why should I be afraid?" This argument, as long as it makes sense, has also been the basis of many authoritarian regimes throughout history. We all have somethin
