This is a good article on the "machine gaze" and Facebook's censorious treatment of the female body. https://www.theguardian.com/commentisfree/2017/mar/03/facebook-censorship-women-lovers-charles-blackman-machine-gaze …pic.twitter.com/JGxAdltQrf
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Problem is that the categories the TOS wants don't exist in life. Art/non-art/erotic/adult aren't exclusive categories esp at scale.