Self-driving cars need extremely detailed and comprehensive maps in order to work—far more detailed than what’s usually available. Paradoxically, Vox’s Timothy B. Lee reports, that’s going to require significant human labour, in the form of human analysts annotating the map. “As Google and its competitors expand their self-driving vehicle programs nationwide, they’re going to have to hire thousands of human analysts to produce the detailed maps that enable cars to drive safely.” [MAPS-L]