But there is one big difference between these two forms of technology, he added: Physical technologies evolve at the pace of science—fast and getting exponentially faster, while social technologies evolve at the pace at which humans can change—much slower. While physical technology change creates new marvels, new gadgets, better medicine, social technology change often creates huge social stresses and turmoil, like the Arab Spring countries trying to go from tribal autocracies to rule of law democracies. Also, our physical technologies can get way ahead of the ability of our social
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