The propellers blurred to gray, brought it forward through the door, stopped; blurred to gray again, reversing. Rocked there, till it steadied on the ballast of the underslung camera. God's Little Toy, Tessa called her silver balloon. Disembodied eye. She sent it on slow cruises through the house, mining for image fragments. Everyone who lived here was constantly taping everyone else, except Iain, and Iain wore a motion-capture suit, even slept in it, and was recording every move he ever made.