Prior to the album's release, a message was posted on [[nin.com]], simply stating "2 weeks!". The previous time the same message had been posted on the site had been to forbear the release of ''Ghosts I-IV''. Two tracks, "Discipline" and "Echoplex", were also released through radio and the internet respectively, both containing the message "go to www.nin.com May 5" in their ID3 tags.
On May 5th, nin.com was updated with the title [[Halo numbers|Halo 27]] and a link to [[theslip.nin.com]] with the message:
<blockquote>(thank you for your continued and loyal support over the years - this one’s on me)</blockquote>