This document contains the inaugural lecture of Professor Niran Adetoro at Tai Solarin University of Education, Nigeria. The lecture discusses information use as a phenomenon and highlights several key points: 1) It defines information and information technology, and explains that information use underlies most human activities. 2) It identifies barriers to meaningful access and use of information, such as poor connectivity, digital skills, and lack of legislation ensuring public information transparency. 3) It explores contemporary uses of information in decision making, problem solving, learning, and maintaining relationships. 4) It summarizes the professor's scholarly contributions around information use, technology, psychology of information use, and information services for people with visual impair