: The single was U2's first #1 hit in the United States, topping the Billboard Hot 100 for three weeks.
: The video uses dramatic lighting and close-up shots of the band members, particularly Bono, to emphasize the song's introspective mood. It intentionally avoids a linear plot, focusing instead on visual metaphors and atmosphere.
: Two versions of the video exist. The original version, shot by Matt Mahurin, was entirely in black-and-white and considered too dark and abstract for mainstream release. Meiert Avis was brought in to reshoot the performance portions that are now most familiar to fans. Song and Video Impact
: The track is famous for The Edge's use of the Infinite Guitar, a prototype device that allowed for the song's signature sustained, atmospheric guitar notes.