Laughter tracks have been used in comedy since early radio and sitcoms, where recorded audience reactions helped signal jokes to listeners at home. Online, short isolated laugh effects became a staple of meme editing and soundboards because they are instantly understood without any context. This type of clip spread through video platforms, prank edits and reaction compilations, where creators reuse the same burst to turn an ordinary fail or deadpan moment into a punchline. Its brevity keeps it popular for mobile sharing and quick edits.