The book addresses both media creators and professional media users. It aims to be a textbook for both sides involved in daily work with news. In a modern industrial society, decision-makers at all levels must understand information structures in order to utilize information for themselves and to avoid errors when conveying information about their own area of influence. The target audience also includes professionals in communication fields who wish to learn more about the background and impact of their work. The same applies to students of communication studies, trainees, and young journalists. The work offers a meaningful connection between scientific findings and experiences from news journalism practice. The author has.