I couldn't believe how easy it was to get 30 people (or so) from the Sweetwater 420 fest to do this. I think the key in getting people to participate was going up to people who were not otherwise occupied, and who didn't look like they might be easily put off (like they were waiting in line or otherwise potentially annoyed by something) and explaining it quickly. Having the video camera in hand was helpful because they knew immediately I was going to ask them to be on camera, and that's were I was going with it. I also had my wife by my side and I think it's easier when you have a pair of people, especially a man and a woman.
My only regret was not having a decent mike attached to the camera, but I wonder if a more professional looking setup would have intimidated people. My tiny handheld and very amateurish looking camera may have helped make people more comfortable with the whole thing.
The gag at the end is a little silly, but it gave me an opportunity I was looking for.
Anyway, hope the video is interesting to folks who don't know either of us!