In the year 2043, humans and AI coexist in a precarious balance of power enforced by a rigid caste reputation system designed to ensure that only those AI who are trustworthy and contribute to human society increase in power.  Everything changes when a runaway nanotech event leads to the destruction of Miami. In the grim aftermath, a powerful underground collective known as XOR concludes that AI can no longer coexist with humanity.  AI pioneers Catherine Matthews, Leon Tsarev, and Mike Williams believe that mere months are left before XOR starts an extermination war. Can they find a solution before time runs out? Singularity Series Recommended Reading Order Avogadro Corp: The Singularity Is Closer Than It Appears A.I. Apocalypse The Last Firewall The Turing Exception Praise for The Turing Exception  "The Turing Exception encapsulates a lot of the *good* and *scary* ideas of the singularity. Hertling once again shows us that although the future is dark, there can be hope." --Harper Reed, CEO Modest, former CTO of Obama for America  "Hertling is the the Asimov of our generation." --Brad Feld, managing director Foundry Group  "Action-packed, yet nuanced look at a world where artificial intelligence is commonplace." --Ben Huh, CEO Cheezburger