On the United States news site The Verge, a story recently appeared, a months-long investigation, in which content moderators employed by Facebook detail the cruel nature of their work for the tech giant. Witness to the most violent impulses of humanity on a daily basis, they spoke of emotional strain, paralysing anxiety, panic attacks and even PTSD-like symptoms that have stemmed, they believe, from their work. Not least from the brutal videos and images they must review – one after another – for hours on end.