Citizen journalism, also known as collaborative media,^[1]: 61 participatory journalism,^[2] democratic journalism,^[3] guerrilla journalism^[4] or street journalism,^[5] is based upon public citizens “playing an active role in the process of collecting, reporting, analyzing, and disseminating news and information.”^[6]

Jay Rosen offers a simpler definition: “When the people formerly known as the audience employ the press tools they have in their possession to inform one another.”

Citizen journalism – Wikipedi