The Goggle Earth download lets you actually interact with the map. It isn't just a program, it is a community.Once you get a Google Earth download, you have many choices about what information to display.You can look at local businesses, monuments, government and civic sites, or the comments of people who know about them.Anyone who wants to can put locations on the Google Earth map.Then anyone who gets a Google Earth download can access them from any place in the world.