Google Maps essentially uses two Graph algorithms — Dijkstra's algorithm and A* algorithm, to calculate the shortest distance from point A ( Source) to point B ( destination). A graph data structure is essentially a collection of nodes that are defined by edges and vertices.

Make a list of places to visit: Create a list of saved places to organize and quickly access your most-used locations. Learn how to save places. Send your location in real time: Meet up with others or show them how to find you, let them find where you are. Learn how to share your location with others.

Google Maps works by using satellite and aerial imagery to create detailed maps of the world.