How about integrating this into a collaborative programming quiz site? Imagine if TopCoder used this. The idea: people sign onto teams, then collaboratively h

How about integrating this into a collaborative programming quiz site? Imagine if TopCoder used this. The idea: people sign onto teams, then collaboratively hack at a problem in real-time, in public. You could pop some popcorn and watch their editing sessions, cheer them on xor scream at them for bugs...