"Architecture," he says, not missing a beat. He's had bigger, meaner co-workers, after all. "I was training for architecture. You know, building Neighborhoods. Learning how to see and work in all nine dimensions, the usual stuff. Only having three to work with here is really, really weird getting used to, but you work with what you've got."

He eyes that chalk line, himself, recognizing exactly what happened and why.

"Nice. Like giving a smart phone with YouTube or Tumblr open to ... well, anyone."