Fifty years after the Singularity, the world is divided into two populations locked in a cold war: Synthetic Citizens, or Syns, human-computer hybrids with extraordinary enhancements and potentially infinite lifespans; and Originals, the individuals who did not merge their bodies with the machines.But the decades-long battle between Original and Syn is almost at an end, because the Originals are on the verge of extinction. One...