The article deals with three research problems that the authors consider to be the key ones for modern sociology. This is due to the fact that the modern new world has given rise to new relationships between people and new techniques used by them – put forward new scientifi c problems for sociology. Once the classics of sociology of the 19th century showed the most important guidelines for the social sciences, which can be expressed by the idea - not only to study, but also to change, and before changing to understand.
