To quote Reid Carlberg’s writing about the app:
This app was actually a nice little add to DF10 — and it was completely community developed and helped new attendees connect with each other.
The code isn’t pretty – it is pretty brute-force – but it gets the job done.
SEE THE PROJECT ON GITHUB: https://github.com/dschach/ChatterBINGO
Feel free to contribute! (Anyone want to make a mobile-friendly or responsive version?)