I can't emphasise enough how good the linked presentation video is... http://xiph.org/video/vid2.shtml http://xiph.org/video/vid2.shtml That is how you do a p

I can't emphasise enough how good the linked presentation video is... http://xiph.org/video/vid2.shtml http://xiph.org/video/vid2.shtml That is how you do a presentation!