"Thank you." The drone started toward the far end of the room, along the aisle that broke the rows of machines. It was managing not to waddle now, on its short legs, though it looked as if it should. She remembered the gyroscopes. It reached the far end of the aisle and turned right, to face the doors into the hallway. Lacking visible eye-equivalents, or head motion, she thought, it had no way of suggesting either curiosity or attention. But Wilf, whoever he was, might be looking at her right now. Feeling a need to move, she started after it, stepping past Kathy and Dixon.