What is KML?
KML is a file format used to display geographic data in an Earth browser, such as Google Earth, Google Maps, and Google Maps for mobile. You can create KML files to pinpoint locations, add image overlays, and expose rich data in new ways. KML is an international standard maintained by the Open Geospatial Consortium, Inc. (OGC).
Who uses KML?
Casual users - Use KML to placemark homes, plan and
document journeys.
Everytrail Half Dome Hike
Scientists - See detailed mappings of natural resources and
trends.
USGS Earthquakes
Non-Profits - Highlight problems and advocate change.
Crisis in Darfur
Students and Educators - Explore historic and current
places, people and events.
City of London Timeline