KML, Traffic, and Bicycling layers come to Maps API v3
«Since being formalized as an Open Geospatial Consortium standard, KML has become something of a lingua franca for geospatial information. From humble beginnings in Google Earth, KML support can now be found in a wide variety of mapping products and services. Today we’re happy to add Maps API v3…» » source | + cache
See original post by Chris Gilmer