"Here," he said, "get this—" A black backpack, over one shoulder, was slipping down his arm. She snagged it, almost dropping it. "Thanks," he said, stepping in. She closed the door behind him, turned the deadlock, slid the bolt. "You got cooler glasses," he said, looking at her. "These, it had this fifteen-year-old DJ in Frankfurt build out of a Korean AR headset."