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I really like this quote from Zeynep Tufekci, a researcher on artificial intelligence, machine learning and society. She was feature in the Coded Bias documentary, a great look at some of most pressing problems of our age. If you have the opportunity to watch it, please, do it. Now available on Netflix.
After watching the docmentary, I suggest you should also watch her TED talk: Machine intelligence makes human morals more important.