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Google Maps is a massive web mapping platform and consumer application. It serves as a digital tool for exploring the physical world. The service provides satellite imagery, aerial photography, and detailed street maps. It also offers 360-degree interactive panoramic views called Street View. Users rely on it for real-time traffic conditions and route planning. This planning works for walking, driving, biking, or using public transportation.

175-free-google-maps-pointer
175-free-google-maps-pointer

The platform functions through complex data integration and software engineering. The front end uses JavaScript, XML, and Ajax to display information. To provide mobile navigation, it utilizes Global Positioning System (GPS) technology. On mobile devices, it uses Assisted GPS to find a user's location. The software determines location by finding the nearest wireless networks and cell sites. It then uses triangulation to calculate a position based on signal strengths.

Google Maps offers several distinct ways to view the Earth. The satellite view provides a top-down or bird's-eye perspective. High-resolution imagery of cities often comes from aerial photography taken by aircraft. Most other imagery is captured by satellites in space. In August 2018, the desktop version was updated to show a 3D globe. This replaced the older Mercator projection, which struggled to show areas near the poles accurately. Users can still switch back to a 2D map in the settings.

Leaning Tower of Pisa on Google Aerial View
Leaning Tower of Pisa on Google Aerial View

The history of the service began in Australia at Where 2 Technologies. Lars and Jens Eilstrup Rasmussen, Stephen Ma, and Noel Gordon developed the original C++ desktop program. In October 2004, Google acquired the company and converted the program into a web application. Google also acquired Keyhole, a geospatial data visualization company, in the same month. Keyhole's Earth Viewer technology eventually became Google Earth. Google also acquired ZipDash in September 2004 to provide real-time traffic analysis. The official Google Maps service launched in February 2005.

Google Maps Beta
Google Maps Beta

Since its launch, the platform has achieved massive global scale. By 2013, it was the most popular smartphone app in the world. At that time, over 54% of global smartphone owners used the app. In 2017, reports indicated that two billion people used Google Maps on Android devices. The service has also expanded its data capabilities significantly. In 2016, Google rolled out new satellite imagery from Landsat 8. This update included over 700 trillion pixels of new data.

Google Maps Car at Googleplex
Google Maps Car at Googleplex

Users have contributed to the map through various collaborative features. Google Map Maker allowed users to edit and update maps worldwide. This tool was discontinued in March 2017. However, crowdsourced contributions continued through the Google Local Guides program. Users can still contribute data even if they are not part of that specific program. This collaboration helps Google provide local updates more quickly than traditional data companies.

Google Maps connects to many broader systems and technologies. It integrates with other Google services like YouTube, Chrome, Gmail, and Search. It also offers an API, which is a set of tools that allows maps to be embedded on third-party websites. The service has even expanded into space exploration. Users can access imagery of the Moon, Mars, and planets like Venus and Mercury. It also helps modern transportation by assisting electric vehicle drivers. The route planner can account for vehicle charge and the location of charging stations.

Google Maps review screenshot
Google Maps review screenshot
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🖼️ Images & Media (10)
File:Google Maps Beta.png
Google Maps Beta.png
File:175-free-google-maps-pointer.svg
175-free-google-maps-pointer.svg
File:Google was here.jpg
Google was here.jpg
File:Google Traffic screenshot.png
Google Traffic screenshot.png
File:Google Maps Car at Googleplex.jpg
Google Maps Car at Googleplex.jpg
File:Google-Maps-Backpack-NYC.png
Google-Maps-Backpack-NYC.png
File:Leaning Tower of Pisa on Google Aerial View.png
Leaning Tower of Pisa on Google Aerial View.png
File:Google_Maps_review_screenshot.png
Google_Maps_review_screenshot.png
File:Google My Maps Civil War Example.png
Google My Maps Civil War Example.png
File:Google Maps and Street View redesigned screenshot.png
Google Maps and Street View redesigned...
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