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?