In any case, back in 2008, in a post that now seems remarkably dated, I suggested that Google Maps should come with a “sci-fi layer” – that is, a layer that would document where in your city certain events had taken place or certain structures had stood in a work of fiction. For instance, the building that Robert Neville’s dog runs into in I Am Legend or the trainyard from Escape From New York, the apartments from Make Room! Make Room!, the high-rise penthouse from The Day After Tomorrow…