IS was originally called Library Science. As digital information has displaced printed information a crisis in the field forced a choice between progress and extinction. The new name – reflects the change in focus of the science and its broader coverage. As an occupation IS has fractured according to changing need and roles in the industry. Practitioners are called Information Specialists (IS) and several type are recognized.
IS draws on skill from far reaching fields. Progress in computer science, linguistics, economics, statistics are consciously affecting the practice of IS. Additionally most Research Specialists have an advanced degree in another branch of knowledge. This assists the flow of new techniques to IS