777/5000 The last fifteen years have been characterized by the accelerating transformative process of society in its dimensions: cultural, economic, political and social. There are two central issues that explain much of the social transformation of recent years: technological change and the tendency towards deregulation that affects the competitive structure of markets. The concept of "Knowledge Society" is not the only one used to describe Current social changes. Where it has had repercussions on employment, the states, the productive forms, the action of the unions.