}}[[Image:Echoplex.jpg|thumb|Artwork accompanying the MP3 file]]'''"Echoplex"''' is a song by [[Nine Inch Nails]] released online via Facebook on May 2, 2008. It is the fifth track on the album [[The Slip]].
The artwork may symbolize someone being surrounded by sound, as if it were echoing around them. It may also symbolize walls around the person.
==Appearances==