• The song is about drug addiction, and is rumored to be about Chester Bennington, but the band has denied those rumors especially since Mike Shinoda is credited as originally developing the song.
• Chester Bennington, Mike Shinoda, Rob Bourdon, Brad Delson, Darren Farrell, & Joseph Hahn share writing credits on the song. Don Gilmore produced the track for the album 'Meteora'
• The single was released on June 22nd, 2004 and topped the Billboard Modern Rock Tracks & Billboard Mainstream Rock Tracks chart. It also peaked at #20 on the Billboard Hot 100 chart.
• The music video was directed by Joe Hahn and the animation was overlooked by Kazuto Nakazawa (who also worked on the film 'Kill Bill'). The video won a 2004 MTV Video Music Awards Viewers Choice Award.