The aim of this book is to present results of scientific research on how digital information should be designed and how artifacts or systems containing digital content should maximize usability, and to explain how context can influence the nature and effectiveness of digital communication. Using a philosophical, cognitive, and technical standpoint, the book covers the issue of what digital information actually is. The text also presents research outcomes from the perspective of research in information science--broadly construed--a term now used to cover a range of theoretical and practical...