Information is a key category in a modern society and in the economy based on knowledge. Civilization changes lead to the transformation of social structures and the ways of accomplishing procedures of managing in such a way that a creation, processing and using Information decides about final effects of human actions and appearing between people social and psychological relations.
Information has always been, more or less conscious, basis of decision-making processes, Beginning with preparation phase (planning) through its making, up to accomplishment. In the conditions of information society and economy based on knowledge, information becomes a condition and a barrier of decision-making processes, it creates a new product and is a factor of production, it creates material and immaterial elements of socio-economic infrastructure. It means new challenges and requirements for a modern man.