Digital information and communication technologies are seen as a threat to privacy, a step forward for freedom of expression and communication, a tool in the fight against terrorism or the source of a new economic wealth. This book revisits the major issues that have emerged with the progress of computerization by describing the context, finding the terms in which these issues were formulated and to mobilize the theoretical grids for a better understanding. It reflects on the various questions asked regarding the freedoms of individual. Between individualism and reinforced pervasive control, it allows a better understanding of the essential issues of the current "digital revolution".
Keywords: Information Technologies