==Cover Art==
Reznor stated in one of his posts on the Prodigy internet service in the early 90s that: <blockquote>"The the cover of PHM is a photo of the blades of some sort of turbine stretched vertically so they would look somewhat like bones or a rib cage."[http://www.theninhotline.net/archives/articles/manager/display_article.php?id=327]</blockquote>
In an interview with [http://sleevage.com/nin-pretty-hate-machine/ Sleevage.com], Rob Sheridan described the long process he went through to update the artwork for the re-issue: