There are many types of journalism, including investigative journalism, opinion journalism, and data journalism. Other types include broadcast journalism, multimedia journalism, and citizen journalism. Each type has its own approach and methods for reporting news and information.

Citizen journalism can pose a challenge to professional journalism by increasing the volume of information available and potentially lowering the barrier to entry for sharing news. However, professional journalism still holds the advantage of trained journalists, editorial standards, and fact-checking processes that can provide a more thorough and objective perspective. It's more about finding a balance and recognizing the strengths and limitations of both approaches.

Paul Mihailidis has written:

'News literacy' -- subject(s): Citizen journalism, Study and teaching, Journalism, Media literacy, History

Citizen journalism is based on the idea that ordinary individuals can play an active role in collecting, reporting, and disseminating news and information. It emphasizes the participation of the public in shaping media content and sharing their perspectives on events and issues. Citizen journalists often use social media platforms and digital tools to contribute to the news ecosystem.

Through non-traditional methods like crowd mapping and citizen journalism.