1. Are You Second Offline?: The Doubling of Place and Time -- 2. Mobile Communication Technology and the Life-World: Examining the Implications of the Second Offline Concept from a Phenomenological Perspective -- Part 1 Society Transformed through Mobile Media -- 3. Merged Reality: A second “Second Offline” -- 4. Application of XR to Regional Development -- 5. Media Mobilization and the Bricolage of Time and Place -- 6. Possibility of participatory design on mobile media -- 7. Workation and the Doubling of Time and Place: Topophilia and Nowstalgia -- Part 2 Mobile Media as a Cultural Milieu -- 8. Ambient Play: Understanding Mobile Games in Everyday Life -- 9. Re-Genesis of ‘Now’ by Parasites’ Interruptions/Advents: Mobile Media Solipsist and the Re-Enchanted ‘Possible Worlds’ -- 10. The Importance of Place in the Second-Offline Life: Geographical Differences in Social Media Usage and Online Gaming Behavior -- 11. The Impact of Emerging Media on Education and Teaching Methods -- 12. Gazing at Oneself: the Bodily Mode of the Selfie -- Part 3 Social Media and Mobile Society -- 13. Spatial Practices of the Second Offline -- 14. Carrying relationships: city, social network, mobile media -- 15. Social media use and Translocality amoung Japanese young adults -- Index.