Quote from : Ishmael: An Adventure of the Mind and Spirit Book

The world of the Takers is one vast prison, and except for a handful of Leavers scattered across the world, the entire human race is now inside that prison. [...] Naturally a well-run prison must have a prison industry. I'm sure you see why." "Well... it helps to keep the inmates busy, I suppose. Takes their minds off the boredom and futility of their lives." "Yes. Can you name yours?" "Our prison industry? Not offhand. I suppose it's obvious." "Quite obvious, I would say." I gave it some thought. "Consuming the world." Ishmael nodded. "Got it on the first try.