Google Earth tops 1 billion downloads since launch
时间：2011-10-07 07:25:05
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SAN FRANCISCO, Oct. 5 (Xinhua) -- Google announced Wednesday that Google Earth, the tech giant's virtual globe, map and geographical1 information program, has been downloaded more than one billion times since it was first introduced in 2005.
According to Google's official blog, there have been more than one billion downloads of the Google Earth
desktop3 client, mobile apps and the Google Earth plug-in. To celebrate the
milestone4, Google is
aggregating5 all the interesting ways people have used Google Earth around the world and posting them on "www. OneWorldManyStories.com."
"We never imagined our geospatial technology would be used by people in so many unexpected ways," said Google in the blog post.
Google Earth maps the Earth by images obtained from satellite imagery, aerial photography and GIS (geographic information system) 3D globe. It also has versions of Moon, Mars and Sky, enabling users to see images and videos of the planets and distant
galaxies6.
It is currently available in Google Earth, a free version with limited function, as well as Google Earth
Pro2 and Google Earth Enterprise,
subscription7 services with additional features intended for commercial use.
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