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when does google maps take street view pictures
Google Street View tries to frequently update its images, with a priority towards important places that change often. Rural areas may take years, while residential every 2 or 3 years.
what is the origin of Google Street View
Street View had its inception in 2001 with the Google-sponsored Stanford CityBlock Project. The project ended in June 2006, and its technology was folded into StreetView.
what are some implementations of Google Street View
Street View is available as a component of Google Maps, as a web application, and as a mobile application for Android and iOS.

Question: what is the coverage
Self-contained rewrite: what is the coverage of Google Street View