This could be programmers generating KML through code, people manually creating KML files by hand (a tedious job, but doable), or people getting KML from third party applications.

The file format developed initially for Google Earth to exchange geographic information and mapping presentations is now an international standard. The Open Geospatial Consortium (OGC) will now ...

The spread of that information has already extended to Google competitor Microsoft Virtual Earth, which has started to include KML files in Live Search Maps.

On your second computer, just double-click the KML file in your cloud folder. It will open Earth with all of your placemarks. This isn’t a perfect solution.

If you repeatedly lose your placemarks in Google Earth, the problem could either be an issue with your "myplaces.kml" file or with the way you use the Google Earth application. When you create a ...