Changes taking place in the modern world related to the digital revolution also affect the library. Libraries should exist in the virtual space in order to promote their services in social networks. Responding to the needs of modern users, the Voivodeship Public Library in Opole continually expands and enhances the range of internet services and web 2.0 activities. The paper presents library web portals and online services in Poland using the example of the Voidvodeship Public Library in Opole. [ABSTRACT FROM AUTHOR]