"I wanted the weak, the underclass to be empowered, to have an ending that was in some way optimistic because it's so easy to look at the world and be pessimistic.
But as much reality as Huston could bring to his story, he couldn't keep up with everything. An Edward Snowden-type character is exactly what he wanted in the book, he said.
"If the story had broken just a month earlier, I could have gone back to the manuscript and put some references to it in there," he said. "I can live with the fact that I don't have the Turkish protests or the Brazilian protests, but not having Snowden in there is just killing me. Can I change the second edition?"