Introduction: Sharing the Road -- The Impact of Participatory Journalism: Mechanisms of Participation: How Audience Options Shape the Conversation / Alfred Hermida -- The Journalist's Relationship with Users: New Dimensions to Conventional Roles / Ari Heinonen -- Managing Change: Inside the Newsroom: Journalists' Motivations and Organizational Structures / Steve Paulussen -- Managing Audience Participation: Practices, Workflows and Strategies / David Domingo -- User Comments: The Transformation of Participatory Space / Zvi Reich -- Issues and Implications: Taking Responsibility: Legal and Ethical Issues in Participatory Journalism / Jane B. Singer -- Participatory Journalism in the Marketplace: Economic Motivations behind the Practices / Marina Vujnovic-- Understanding a New Phenomenon: The Significance of Participatory Journalism / Thorsten Quandt -- Fluid Spaces, Fluid Journalism: The Role of the "Active Recipient" in Participatory Journalism / Alfred Hermida

1. Electronic newspapers
2. Online journalism
3. Citizen journalism