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Understand Esri's Approach

During our 50-year journey, Esri has pioneered the development and evolution of geographic information (GIS) systems.  Read about our approach in making ArcGIS platform open.

A Modern Platform

ArcGIS supplies real-time, reliable information when you need it most.  A modern platform that is configurable, flexible, scalable, customizable, deployable, and interoperable. Here’s Cal OES making a difference with ArcGIS.