Before revision: Contains critical commentary on the exhibitions "Training Humans" and "Making Faces  " by Kate Crawford and Trevor Paglen, and on the accompanying essay "Excavating AI: The politics of images in machine learning training sets . " 
After revision: Two art exhibitions, "Training Humans" and "Making Faces " by Kate Crawford and Trevor Paglen, and on the accompanying essay "Excavating AI: The politics of images in machine learning training sets . "