The usual things, he’d said, because it was never all at once. Then, later, for a while, nothing, and then the assemblers. The assemblers, nanobots, had come later. The assemblers had also done things like excavating and cleaning the buried rivers of London, after they’d finished tidying the die-off. Had done everything she’d seen on her way to Cheapside. Had built the tower where she’d seen the woman prepare for her party and then be killed, built all the others in the grid of what he called shards, and cared for it all, constantly, in his time after the jackpot.