In September, the Dalloz editions published the little book entitled " Digital justice". An ambiguous expression, the term “digital justice” refers to the transformations that the legal world is subjected to by the advent of network life and the gradual abandonment of material supports in favor of electronics and online information. It also designates the impact on justice of the use of the most advanced technologies, at a time when the exploitation of immense amounts of data by machine learning algorithms makes it possible to detect statistical models and to formulate predictions. This book presents an inventory of the digital transition of justice, considered in the two main forms it currently takes: the dematerialization of procedures, on the one hand, and the appropriation of artificial intelligence. by the use of decision support algorithms, on the other hand.