Official Google Maps API Blog: MapIconMaker 1.0: The Easy Way to Make Your Markers MeaningfulPosted by Pamela Fox, Maps API Team In the talk I gave last fall about Maps Mashups Usability, I mentioned that one way to make your map more informative at first glance is to use the color and size of a marker to indicate categorical or density information. Previously, that would mean using an image editing program or server-side image generation script to create all the various marker icons need
