Performing Improvisation / Improvising Performance

Why should I show video documentation of work that celebrates and investigates the ultra live here and now? I can't answer that question, but we could talk about it for a long time. Here's a link to a 10 minute performance action from this year's CI36 at Juniata College in Pennsylvania.
http://video.google.com/videoplay?docid=-6386735239027920095

And then a compilation vid of moments from improv performances in 2005 & 2006.