Curious how hackathons have used asynchronous video?

Ziggeo's founder explains (on video, of course!) different uses for video capture (video recording and playback) at hackathons: -Hackers re it's videos introducing themselves - ideal for the matching process -Judges record videos explaining what an ideal hack for them would be -Hackers record videos about their hacks ideal for both the judging process as well as for future reference and posterity. http://youtube.com/embed/7WDuhFf2Dzo