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.

When you open a KML file that has time data attached to its contents. The time data for a given item may be either a specific point in time or a span of time.

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.

A common problem with Google Earth is long loading times due to having a lot of stuff in your ‘My Places’. Google Earth stores your ‘My Places’ in a KML file appropriately called myplaces ...