Citizen Journalism Network (CJN) was announced the winner of the Media Party New York 2026 Hackathon this past Sunday, May 10th. In a high-stakes, six-hour build session at Columbia University’s Brown Institute for Media Innovation, CJN emerged as the top solution for the event’s central challenge: “Let’s build the best tools for the post-search era together.”
The hackathon served as the grand finale for a three-day summit (May 8–10) that brought together 300 journalists, developers, and entrepreneurs from around the globe. After two days of exploring how AI is redefining news production and discovery, Sunday was about moving from talk to action, turning theoretical debates into functional prototypes designed to navigate the next era of information.
The Winner: Citizen Journalism Network (CJN)
In a media landscape currently fractured by historic layoffs and the rise of “parachute journalism”—where national outlets briefly drop into local communities without understanding their pulse—the Citizen Journalism Network (CJN) emerged as a necessary intervention.
CJN is a community-driven digital infrastructure designed to bridge the gap between what people actually care about on the ground and what gets reported in the mainstream. It doesn’t just provide a place for people to talk; it empowers them to act as reporters within their own neighborhoods.
How it Works: Turning Sentiment into Data
The platform uses a sophisticated AI backend to aggregate user comments and social media signals, parsing the noise into organized clusters. The user experience is centered around a dynamic bubble visualization:
- Real-Time Scaling: Topics grow in size based on the volume of community engagement, providing an instant heatmap of local concerns.
- Navigable Datasets: Users and professional reporters can click into these “bubbles” to explore the underlying comments, transforming raw public opinion into a verified source for investigation.
- Grassroots Evidence: For independent reporters, CJN provides the “connective tissue” that has been missing between legacy institutions and local voices.
Built for Trust and Independence
What sets CJN apart is its commitment to editorial integrity. The platform is:
- Community-Governed: Built on open standards with no advertiser influence.
- Verified yet Private: Accounts are email-verified to prevent bots, but users have the option to remain anonymous to the public.
- Reliability-Focused: A unique trust system rewards long-term accuracy, ensuring that the loudest voices aren’t the only ones heard.
Why CJN Matters Right Now
As open-source investigation becomes a dominant model—following the path of organizations like Bellingcat—CJN offers a critical missing layer: a trustworthy stream of local data, built by the community but structured specifically for journalists to verify and expand upon. It creates an infrastructure for a more honest press, “one where the agenda is shaped by the people living it.”
Support for What’s Next: The Brown Institute Partnership
To ensure this prototype evolves into a sustainable tool, the CJN team will receive three months of dedicated support from the Brown Institute for Media Innovation. This partnership provides the team with:
- Mentorship: Bi-weekly office hours with staff and entrepreneurs to troubleshoot challenges.
- Venture Readiness: Guidance on building professional pitch decks and pursuing funding.
- Long-term Vision: Transforming functional prototypes into sustainable new ventures.
At Media Party, the hackathon isn’t the end of the process—it’s the beginning.
Celebrating Innovation: Our Brilliant Runners-Up
While only one could take the prize, the other two teams presented incredibly powerful solutions to modern media challenges. We want to thank them for their dedication and their brilliant contributions to the ecosystem:
- SafeSense: A secure, local tool for journalists who need to dig through massive document collections without compromising their sources or their data.
- Wikinews Pulse: A community-edited, data-driven news portal built on Wikipedia and Wikidata — surfacing daily events from one of the richest open datasets on the internet.
Thank you to everyone who made these three days of innovation possible. We left the Brown Institute not just with new ideas, but with functional tools that promise a more transparent and honest press.
See you at the next Media Party!

