I remember my college history 101 course. Part of the exercises was taking mimeographed maps and drawing the outlines of the various historical entities (like the boundaries of the Roman empire).
Compare that with today--take for example this Vox set of 40 maps which explain the Middle East. The Internet and the computer make graphics so much better, and more available than we had 50 years ago. And that's totally ignoring GIS.
Economists say our productivity is no longer increasing as fast as it once did. I suspect the problem may be their statistics aren't up to the task of measuring the modern economy.
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