This timely book tells the story of the smart technologies that reconstruct our world, by provoking their most salient functionality: the prediction and preemption of our day-to-day activities, preferences, health and credit risks, criminal intent and spending capacity. Mireille Hildebrandt claims that we are in transit between an information society and a data-driven society, which has far reaching consequences for the world we depend on. She highlights how the pervasive employment of machine-learning technologies that inform so-called ‘data-driven agency’ threaten privacy, identity, autonomy, non-discrimination, due process and the presumption of innocence. The author argues how smart technologies undermine, reconfigure and overrule the ends of the law in a constitutional democracy, jeopardizing law as an instrument of justice, legal certainty and the public good. Finally, the book calls on lawyers, computer scientists and civil society not to reject smart technologies, explaining how further engaging these technologies may help to reinvent the effective protection of the rule of law.