when is the last time google maps was updated
Google Maps Google Maps' satellite view is a "top-down" or "birds eye" view; most of the high-resolution imagery of cities is aerial photography taken from aircraft flying at 800 to 1,500 feet (240 to 460Â m), while most other imagery is from satellites.[4] Much of the available satellite imagery is no more than three years old and is updated on a regular basis.[5] Google Maps uses a variant of the Mercator projection, and therefore cannot accurately show areas around the poles.[6]
Google Maps Google Maps first started as a C++ program designed by two Danish brothers, Lars and Jens Eilstrup Rasmussen, at the Sydney-based company Where 2 Technologies. It was first designed to be separately downloaded by users, but the company later pitched the idea for a purely Web-based product to Google management, changing the method of distribution.[55] In October 2004, the company was acquired by Google Inc.[56] where it transformed into the web application Google Maps. In the same month, Google acquired Keyhole, a geospatial data visualization company (with controversial investment from the CIA), whose marquee application suite, Earth Viewer, emerged as the highly successful Google Earth application in 2005 while other aspects of its core technology were integrated into Google Maps.[57] In September 2004 Google acquired ZipDash, a company that provided realtime traffic analysis.[58]
Project Loon Unofficial development on the project began in 2011 under incubation in Google X with a series of trial runs in California's Central Valley. The project was officially announced as a Google project on June 14, 2013.[1]
Satellite map images with missing or unclear data Some locations on free, publicly viewable satellite map services have missing, incomplete, or unclear map data. In some cases, these regions have been intentionally digitally obscured or blurred.[1] Westchester County, New York, for example, has asked Google to blur potential terror targets (such as an amusement park, a beach, and parking lots) from its satellite imagery.[2]