The article considers the concept and essence of the service economy, shows its significance and services included in it. The main objective of the research is to study the development of the service economy in the conditions of the fourth industrial revolution. It is shown that the service economy is becoming digital. It is noted that digital technologies lead to transformations of human behavior, which is connected with fundamentally new information communications developing in the digital economy. The modern person is actively involved in the virtual space, receiving through it new information, services, acquiring goods, etc. Statistics are given about the use of Internet services. The key paradigm of the digital economy is that the main assets in it are information that generates new knowledge and human resources. The term digital service economy is introduced. The directions of introduction of digital technologies in the service economy are described, including the use of machine vision technologies, computer Internet technologies, mobile applications, etc. Special attention is paid to mobile services and their use in the field of tourism industry. It is substantiated that the development of a mobile application for a service company becomes an important element of its information support; it provides convenient communication with the client, helps attract new customers and form their loyalty. The main directions of the formation of the information infrastructure of the digital economy are considered. It is shown that the development of the digital service economy will radically change the labor market; new forms of labor organization will appear, including remote employment, crowdsourcing, etc. The digital competencies of personnel, which will need to be maintained at a high level through continuous training in the course of the whole life, will be especially important. In the service economy, there will be a substitution of a number of professions with robot-technology, new professions will appear. In the process of training personnel for the digital service economy, there should be formed such competencies as: the focus on self-development, the ability to think critically, the skills of solving nonstandard problems, adaptability, communication skills, effective teamwork, etc.