Marylaine Block again tips us to an interesting site: • 100 Things To Do with Google Maps Mashups - gmapsmania http://gmapsmania.googlepages.com/100thingstodowithgooglemapsmashups I believe that the future of reference service lies not in finding information, but in helping people understand it through visualization. These Google Maps mashups demonstrate things like finding wi-fi hotspots, a public toilet, world hostels, webcams, etc., and tracking packages or US or Canadian flights in real time.