Cover -- Title -- Copyright -- Contents -- Contributors -- Acknowledgements -- Part I Introduction -- 1 Permanently Online and Permanently Connected: A New Paradigm in Communication Research? -- 2 A Brief History of Individual Addressability: The Role of Mobile Communication in Being Permanently Connected -- 3 The Permanently Online and Permanently Connected Mind: Mapping the Cognitive Structures Behind Mobile Internet Use -- 4 Methodological Challenges of POPC for Communication Research -- Part II POPC and Decision-Making: Selecting, Processing, and Multitasking -- 5 Reconceptualizing Uses and Gratifications vis-à-vis Smartphone Applications: The Case of WhatsApp -- 6 Always On? Explicating Impulsive Influences on Media Use -- 7 Permanence of Online Access and Internet Addiction -- 8 Multitasking: Does It Actually Exist? -- 9 Threaded Cognition Approach to Multitasking and Activity Switching in a Permanently Online and Permanently Connected Ecosystem -- Part III Social Dynamics of POPC: Self, Groups, and Relationships -- 10 Living in the Moment: Self-Narratives of Permanently Connected Media Users -- 11 Getting the Best Out of POPC While Keeping the Risks in Mind: The Calculus of Meaningfulness and Privacy -- 12 The Experience of Narrative in the Permanently Online, Permanently Connected Environment: Multitasking, Self-Expansion, and Entertainment Effects -- 13 Being POPC Together: Permanent Connectedness and Group Dynamics -- 14 POPC and Social Relationships -- 15 Between Surveillance and Sexting: Permanent Connectedness and Intimate Relationships -- Part IV Socialization in a POPC Environment: Development, Skill Acquisition, and Cultural Influences -- 16 Growing Up Online: Media Use and Development in Early Adolescence -- 17 Being Mindfully Connected: Responding to the Challenges of Adolescents Living in a POPC World