This volume is dedicated to the subject of mobile communication and the transition in everyday life. Mobile media have become a part of the media ensemble and lead to specific media communication practices. Researching the integration of mobile media to everyday life allows a further analysis of the process of mediatization. The collected essays of this volume trace back to an international conference «(Mobile) Media and the Change of Everyday Life» at the University of Erfurt. The contributions investigate various aspects of the vibrant field of mobile communication.