Drawing on Habermas’s theory of communicative action, this case study of OhmyNews in South Korea examines how citizen journalism operates in a broad organizational and social context. Through in-depth interviews with professional and citizen journalists, the study reveals that citizen journalism can be well understood at the intersection between the lifeworld and systems. Specifically, the study finds a coexistence mechanism by which citizen journalism competes, collaborates, coordinates, and compromises with professional journalism through communicative action, such as mutual understanding, reason-based discussion, and consensus building
