39. “ A week after the album's release, the official Nine Inch Nails site reported over 750,000 purchase and download transactions, amassing over US$1.6 million in sales.” http://en.wikipedia.org/wiki/Ghosts_I-IV#cite_note-tribune-12
40. “ Pre-orders of the $300 'Ultra-Deluxe Limited Edition' sold out in less than three days of its release.” http://en.wikipedia.org/wiki/Ghosts_I-IV#cite_note-13
101. Credits Open Source Initiative icon – CC:BY-SA / http://flickr.com/photos/nez/217744544/ Elephant's Dream screenshot – CC:BY / Blender Foundation / Netherlands Media Art Institute / www.elephantsdream.org