tomkinsc

This is largely unrelated to the content of the article, but as a community of intelligent individuals, can we make an effort to avoid TLAs (three-letter acronyms?)

It would be helpful for the uninitiated to have acronyms spelled out. For those of us in the physical sciences, "SEM" is generally understood to mean "scanning electron microscopy." While this is obviously not the case of Geico's search engine marketing (surprising that they have a daily search advertising budget of $244k!), disambiguation would be helpful.

Fantastic article. The history really puts things into perspective.

This is interesting: "The geographic sorting of people by ability and educational attainment, on this scale, is unprecedented."

The jab at Tom Friedman is fair. I've seen the trailing Paul Romer quote at least three times within the past week, though. There certainly is truth to it. Reinforcing "idea infrastructure" like internet connectivity seems crucial.

Here's to affordable housing in talent-rich and diverse Manhattan and San Francisco...