Here's the demo on Google video: http://video.google.com/videoplay?docid=-8734787622017763097&q=engelbart http://video.google.com/videoplay?docid=-8734787622017

Here's the demo on Google video: http://video.google.com/videoplay?docid=-8734787622017763097&q=engelbart http://video.google.com/videoplay?docid=-8734787622017763097...