The paper is a brief overview of the basic theses of the philosophy of Luciano Floridi. In the first part of the paper, the definition of the philosophy of infomation, its nature and principles, and the methodology used are presented. It is also explained why Floridi considers the philosophy of information to be a mature philosophical field, and in what way the philosophy of information could advance philosophical research in general. His general definition of information is presented, followed by an extended definition of semantic information and the theory of strong semantic information. Floridi's proposal of the philosophy of information as the theoretical basis of library and information science, and computer science is mentioned. The concept of informational ontology, infosphere, inforgs and the fourth revolution is explained. In the second part of the paper, the concept of information ethics and its ethical principles are described, and why it could be interpreted as macroethics. Floridi presents his ideas of moral agents, moral patients and entropy, and expands the concept of moral action in the infosphere. Information ethics is mentioned as a proposal of the theory of computer ethics. An overview of some issues with which ethics of artificial intelligence is dealing with is also presented, as well as Floridi's proposal of unified ethical principles for the field. At the end of the paper, his concept of design logic and philosophy as conceptual design is explained.