The library in general has been faced with a new society with changed forms of communication. This means that the development has altered the use of media in general, but also that the communication from traditional oral and written to digital communication. The aim of this study is to investigate how communication between libraries and users has changed in the more digital society. The thesis is about communication between libraries and users by means of digital channels. I have conducted interviews with librarians who handle communication within their respective public libraries and to find out how they handle communication with their users via digital channels and other means. In the study, I chose to use a qualitative method that consisted of five semi-structured interviews. I analyzed the results using the Marketing mix theory. The results of the study show that according to the participants, the presence of social media has changed how libraries communicate with their users, as they have given the libraries several channels of communication. Hence the increased part of citizens with a digital presence gives libraries the opportunity to disseminate information about the library to a larger number of users or future users.