"Energy," he echoes--now there's a thought. Could they be harnessing the work of everyone here, somehow? Usually complex systems are a snap for him to grasp, but this city is too vast, with too many unknown variables. He can't get a read on it, can't get enough information to work it all out.

It frustrates him, too.

"It might be worth tracking the rest of the cohort somehow. See if there are any patterns in what we do, what we deal with, who we are."