Acknowledgments -- Editors' Note on Translation -- Introduction: Personal, Portable, Pedestrian -- 1 - Discourses of Keitai in Japan -- 2 - Youth Culture and the Shaping of Japanese Mobile Media: Personalization and the Keitai Internet as Multimedia -- 3 - A Decade in the Development of Mobile Communications in Japan (1993-2002) -- 4 - The Third-Stage Paradigm: Territory Machines from the Girls' Pager Revolution to Mobile Aesthetics -- 5 - Japanese Youth and the Imagining of Keitai -- 6 - Mobile Communication and Selective Sociality -- 7 - The Mobile-izing Japanese: Connecting to the Internet by PC and Webphone in Yamanashi -- 8 - Accelerating Reflexivity -- 9 - Keitai and the Intimate Stranger -- 10 - Keitai in Public Transportation -- 11 - The Gendered Use of Keitai in Domestic Contexts -- 12 - Design of Keitai Technology and Its Use among Service Engineers -- 13 - Technosocial Situations: Emergent Structuring of Mobile E-mail Use -- 14 - Keitai Use among Japanese Elementary and Junior High School Students -- 15 - Uses and Possibilities of the Keitai Camera -- References -- Contributors -- Index.