Includes bibliographical references and index.

Introduction: inquiring emerging media through dynamic and theoretical lenses / Xigen Li -- Adoption and use of emerging media. Podcast adoption and use: impact of diminishing variation of technology advantage / Xigen Li and Li Zeng -- Getting news from mobile phones: innovativeness vs. personal initiative in second-level adoption / Xigen Li -- Media dependency in the digital age: effects of perceived channel efficiency and motivation and orientation of information seeking / Xigen Li -- Online involvement and information exchange. Openness, activeness and diversity of information exchange in the context of online social networks / Xigen Li, Yang Liu and Mike Yao -- Legal and extra-legal factors in deterring online copyright infringement / Xigen Li and Nico Nergadze -- Willingness to contribute information to online communities: personal and social influences / Xigen Li -- Third-person effect, optimistic bias and sufficiency resource in internet use / Xigen Li -- Online expression and social interaction. What motivate online disagreement expression? the influence of self-efficacy, mastery experience, vicarious experience, and verbal persuasion / Xudong Liu and Xigen Li -- Disagreement expression and reasoned opinions in two U.S. online newspaper forums / Xudong Liu and Xigen Li -- Participatory expressions in blogs and microblogs: an analysis of bloggers: structural adaption in two Chinese news portals / Xigen Li -- Are people more willing to express minority views on the internet than in offline public settings? / Xigen Li -- Contextual and normative influence on willingness to express minority views in online and offline settings / Xigen Li -- Conclusion / Xigen Li.