The trending technological advancement has brought a lot of changes to library and information services as well as societal expectations from librarians/information experts. Librarians are expected to also change with the system in order to render user centric service by adapting to the trending web technologies being used globally to provide library services to people. Any librarian who fail to keep abreast of the trending issues and adopt the latest technologies in rendering services to users will be left behind and redundant in the field of information science. Therefore, it is very important Librarian/information professional to change with the system by ensuring knowledge and skills update as well as the utilization of emerging web technologies in library service delivery. Based on this fact, this paper attempt to identify the global and trending issues as well as emerging technologies for library and information science so that readers can specifically focus on them for effective library services.