"Recently a webpage asked me to confirm my humanity by identifying cars in a mosaic of nine photos. A challenge-response test designed to thwart bots, reCAPTCHA (“Completely Automated Public Turing test to tell Computers and Humans Apart”) also obliges internet users to help train image recognition algorithms for free. Since 1958, when Frank Rosenblatt first presented his Perceptron to the US Office of Naval Research, demonstrating how a program could detect the location of a square on flashcards, practitioners in the field of Artificial Intelligence have aspired, in the words of Kate Crawford, a scholar of the social and political implications of AI, “to capture the planet in a computationally legible form.”