The out­come of a con­ver­sa­tion with Mike and Jason dur­ing class: What would hap­pen if you mapped red, green, and blue to x, y, and z?

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Take a look at this dynamic ani­ma­tion of the his­tory of OpenStreetMap, an open-source map­ping plat­form, in which all data con­tributed by users who walk, bicy­cle, and drive around with GPS units. It’s inter­est­ing to see which cities and roads get mapped first, and then to watch as the data expands out­wards towards more remote areas.