Never Gonna Give You Up was released by English singer Rick Astley in 1987 and became a worldwide hit. Two decades later, internet users began disguising links to its music video as links to something else, creating the bait-and-switch prank known as Rickrolling. The joke spread through forums, social media and video sites, helped by the song's catchy chorus and instantly recognisable opening. It has since appeared in pranks, live events and mainstream media, and remains popular because the reveal is familiar, harmless and funny rather than cruel.