This article was created in order to identify and highlight emerging new development opportunities for services based on new technologies and solutions falling into the category of WEB 2.0 and socialization of services through internet tools and social media. In the article will be presented the classification of these services and discussed their role in urban development, as well as in the implementation of the smart city concept. In text will be also outlined the problem facing the city authorities and legislators which are services in the shared economy. They are a problem because, due to their nature and the channels of market communication that they use, they are out of full administrative control. These services also compete with entrepreneurs operating in the service industry in traditional organizational structures. The aim of the article will be implemented through a review of literature and internet reports – due to the specificity of the subject, the most current source of information. In this review article, the content has been supplemented by the author’s own observations.