The 21^st century is undoubtedly a period of enormous progress in the field of digital technology, a period in which the boundary between the real world and the virtual world becomes less and less visible. The Internet has undeniably become a facilitation of everyday life, since it is a tool of work, communication or a way to spend free time for many users. The virtual world is present in almost all areas of our lives, and people spend more and more time in front of the computer screens, operating websites, e-mails or social networks. Highly developed digital technology is a boon of the 21st century, but despite its numerous advantages, negative aspects are also visible. Virtual knowledge displaces physical interpersonal contacts; physical activity is replaced by spending free time in front of a computer monitor. Various threats (social, psychological, psychological, ethical and moral) resulting from modern digital technologies and the increasing degree of dependence on them are extremely significant. The authors of this article present the results of own research, aiming at making the reader aware that there are both positive and negative aspects of the virtual world.