- Information stored in Javascript
- Not index by search engines
- Needs code to be added to a map
- (Much) Better way of doing things
- KML: rich, supported on Maps and Earth
- GeoRSS: news feeds, supported on Maps
- Both can be indexed by search engines
- Display whole laer in just 2 lines of code
var kml = new GGeoXml("http://··.kml");
map.addOverlay(kml);