'''ghosts.nin.com''' was created in March 2008 to coincide with the release of ''[[Halo numbers|Halo 26]],'' ''[[Ghosts I–IV]].'' The site contains information, an FAQ, a downloadable PDF and options for ordering the album.
On the front page, there is a message detailing ''Ghosts I–IV '' and how it was made:
"[[Nine Inch Nails]] presents Ghosts I–IV, a brand new 36 track instrumental collection available right now. Almost two hours of new music composed and recorded over an intense ten week period last fall, Ghosts I–IV sprawls Nine Inch Nails across a variety of new terrain.
"This music arrived unexpectedly as the result of an experiment. The rules were as follows: 10 weeks, no clear agenda, no overthinking, everything driven by impulse. Whatever happens during that time gets released as... something.
The team: [[Atticus Ross]], [[Alan Moulder ]] and myself with some help from [[Alessandro Cortini]], [[Adrian Belew ]] and Brian Viglione. [[Rob Sheridan ]] collaborated with Artist in Residence (A+R) to create the accompanying visual and physical aesthetic.
We began improvising and let the music decide the direction. Eyes were closed, hands played instruments and it began. Within a matter of days it became clear we were on to something, and a lot of material began appearing. What we thought could be a five song EP became much more. I invited some friends over to join in and we all enjoyed the process of collaborating on this.