Google mapping and Streetview is not considered new technology but has recently evolved to include more portable mapping devices. These backpack and bike mounted camera+gps devices will fold back the areas of the unmapped world and capture a snapshot of how places are.
Photo above from Google who used the backpack mounted "Trekker" to map the Grand canyon in USA.
Just like buses, wait for one mapping car then three come along at once.
The Streetview story is a geeky cocktail of technology and a real determination to innovate in the mapping and visualisation of earth. Currently available in selected countries from all continents the mapping and remapping continues. With the combination of maps, Streetview and Satellite imagery the real joy is being able to locate and view a location from all different angles. When viewing the images be sure to note the Mapping/Image dates as places can change dramatically through the seasons and in a few years.
Cheers
Gannett
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