The primary purpose of this article is to answer the question of whether writing a blog defi ned as a personal diary can help to better understand himself. Self-awareness is a prerequisite for authentic existence. In the first part analyzed the concept of authenticity. Pointed out the relationship of authenticity to the categories of freedom, truth and responsibility. The second part presents the relationship between authentic existence and the process of self-disclosure, which may take place in the blogosphere. In the third part presents the question whether a writing blog affects the level authenticity of existence. It was recognized that a key element of this phenomenon is the sense of responsibility.
The problems discussed in the first part of the paper include relations between phenomenon of authenticity and influence of pharmacology on the human psyche and the issue of artificial intelligence. In the second part of the article the relationship between the notion of authenticity and naturalness has been analysed. In the third part, the above problem has been presented within the framework of Kazimierz Dąbrowski's concept.
