There was a TED talk on the growth of cities and the super-linear-- about O(N^1.1-1.2)-- of negatives like crime and positives like interesting jobs and new inv

There was a TED talk on the growth of cities and the super-linear-- about O(N^1.1-1.2)-- of negatives like crime and positives like interesting jobs and new inventions: http://www.ted.com/talks/geoffrey_west_the_surprising_math_of_cities_and_corporations.html http://www.ted.com/talks/geoffrey_west_the_surprising_math_o...