Yoda: Open Source GIS Exploding

ESRI, who?

Growing Adoption of Open-Source GIS Software Driving the Global GIS Market Through 2020, Says Technavio

Phi Beta Iota: This is the foundation for getting to a world brain in which all data in all languages and mediums is “grounded” in a 1:20,000 or better open source digital chart (three-dimensional, of course).