Laziness, Impatience and Hubris
Vinay Gupta of the Hexayurt Project at C-BASE Berlin

Here are the slides in PDF and the original Keynote format. MP4 version (you may need to log in to Blip.tv to download this) The video is 30 minutes long. At the 20 minute mark, we start watching the folding hexayurt videos. The light is a Mandarin from Illumination HQ.