You might have used or seen your parents use Google Maps while travelling around the city. Have you ever wondered how it works? Find out…

Google Maps has revolutionised travel like never before. Travellers can chalk out their itineraries and find addresses at the dick of a button with the help of this free map service. You can virtually view the street your cousin lives on in the U.S. without even moving an inch from your seat!

Google bases its maps on information taken from a selection of databases. But the most crucial data is provided by the satellite images of cities, which is captured and converted into small image files. The data is then verified with a vast database of map references like longitude and latitude co-ordinates, addresses and postal codes.

When you type an address in the search field, Google sends the query to its global servers and searches for the closest location match. The search results in the corresponding map of the location being displayed on screen, When you ask for directions from Location A to B. Google sorts out the information in its map servers, which store millions of potential route combinations to find the fastest route between the two locations. This kind of system which deals with information related to location is called Geographical Geographical Information System (GIS).

Google Maps first started as a software application developed by the Danish-born Rasmussen brothers Lars and Jens for a company that was later acquired by Google.

Picture Credit : Google 

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