Google Earth, as suggested by the title, is an application created by Google that lets you observe the Earth. The program is downloadable in two forms; one is for free and allows you to use the basic settings of Google earth. The other is called Google earth pro and costs $400, of course being at the age where I can't earn money I have no idea what this version allows you to do, even if I did have the spare $400 it would not be worth much to me, as it is intended for commercial use.
Google Earth in its newest version, Google Earth 4.3, has several very useful functions. The first most obvious ones, is it allows you to observe anywhere on the Earth on any scale of size. This has been possible by Satellites and other aerial devices taking photos of everywhere on Earth, then after superimposition the photos were pieced together to make a map of the world.
Another function which Google earth has added since its update is the ability to see certain famous buildings in 3D. This is not Google’s own idea, as Microsoft has had the function ever since they released their own version of Google earth, virtual earth. However Google have taken the application a little further, if you click on these famous buildings, a bubble appears beside them and gives you some information about the building. Another extremely fun application on Google earth is the Easter egg that allows you to choose a plane which you can then fly all around the world, with the Google earth scenery below you. Google earth and Google maps have been linked through some very clever applications. If you click on a building e.g. your house, you are give the option to either get directions from your house to another place, or directions from another place to your house, the directions are of course those used on Google maps. This helps as if you need to get to a place, but do not know the address which is key for Google maps, but you know roughly where it is, you are able to still get instructions on how to get there. It is also possible to bookmark anyplace on Google earth which means a little yellow pin is left over the place you have bookmarked and makes it easier to get to that place.
Below is a video which shows you some of the new functions on Google Earth 4.3
This video shows you how to use Google Earth on your I-pod touch or I-phone
This video below shows you how to find and use the flight simulator on Google Earth 4.2
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