While the search for the essence of truth has its ancient record, the concept of post-truth is the most modern one. The concept of post-truth means situations in which facts have less influence on shaping public opinion than emotions and personal beliefs. New media, in particular social media and digital society, are an important medium nolens volens shaping reality. The existence of the notion of post-truth in the discourse, above all politicians, political scientists and media people, is beyond doubt. However, the very nature of this phenomenon is seen differently. When I started writing the text, I asked myself the following research questions: What are the features that define post-policy? To what extent does the concept of truth refer ...