Google has just released a new version of its desktop application Google Earth. As with the more popular online Google Maps service users are able to search the world by...

Google has just released a new version of its desktop application Google Earth. As with the more popular online Google Maps service users are able to search the world by location and services. Unlike the Maps service Google Earth displays locations on a 3D representation of the earth. The resulting image is primarily comprised of pictures taken from space meaning users can see exactly what the area they are searching for looks like. Google achieves this media rich service through use of a technology known as AJAX. This technology means that most of the data is held on Google’s servers. Only the specific maps that the user needs are downloaded onto their computer. This means the computer doesn’t have to store the terabytes of information that make up the world map and the overall service can be delivered at an acceptable speed.

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