One of the most important social changes of the past two decades is the development of the so-called information society. The choice of the term "information society" lays particular emphasis on the supply aspect of this development: the increasing amount of available information in the broadest sense, as well as the growing number of ways in which we can access this information. However, in order to take full advantage of this explosion of information, a form of literacy is required, which is the subject of this edition of IRIS plus: media literacy.