Conference Summary: Mapping the Hidden Universe

Two curiously connected topics provided a novel focus for this meeting in Guanajuato, Mexico, 22--29, February, 2000. Two days were devoted to discussions of galaxy surveys deep into the Galactic plane and to modeling of the distribution of matter that makes use of quasi-full-sky coverage. Then the meeting turned its attention for four further days to a look at the Universe from surveys based on HI selection. How distorted is the world view of the optical chauvinist?