Greg Milner is an author and journalist whose writing has appeared in The New York Times, Spin, Slate, Salon, New York, Blender, The Word, and The Sunday Times of London. His most recent book is Pinpoint: How GPS Is Changing Technology, Culture, and Our Minds. His previous book, Perfecting Sound Forever, was a finalist for the National Book Critics Circle Award. He co-wrote, with filmmaker Joe Berlinger, Metallica: This Monster Lives.