The document discusses various internet services that are useful for libraries. It describes key services like email, the World Wide Web, chat rooms, newsgroups, file transfer protocol, social networking sites, video conferencing, and how libraries can utilize them. Libraries can use the internet to acquire documents, conduct technical processing and cataloguing, improve circulation, provide reference services, share resources, and communicate with patrons, publishers, and vendors. The internet is a vital communication tool that allows libraries to enhance their services.