Mobile communications emerges as a new digital distribution platform for media content due to the migration to next generations' networks and their capabilities for broadband data communications. As such, mobile communications offers opportunities for media development because of an increased overlap between interpersonal and group communications with mass media communications, ubiquitous access to trusted media brands as well as integrated cross-network strategies for media content. The book takes two different viewpoints on potential levers for the developments of the media industry and mobile media: from a competitive strategy point of view it assesses the potentials for an extension of cross-media strategies; from a public policy point of view the book investigates demands and requirements for innovation policy that foster innovation in mobile media markets. TOC:Introduction.- Incentives, barriers, and drivers for media development under the influence of mobile communications.- The mobile communication system: elements and characteristics.- The social use of the mobile communications system.- Cross-media and cross-network strategies for mobile media.- Innovation policy for mobile media.- Conclusion