Rickrolling began as an internet meme in 2007, evolving from duckrolling on imageboards where users were lured to a link promising something else. The bait almost always led to the music video for Never Gonna Give You Up, released in 1987 by English singer Rick Astley. The prank spread to forums, classrooms and major broadcasts, and Astley himself joined in by performing live during a televised parade in 2008. It remains a shared shorthand for a harmless online trick.