Discord is a text, voice and video chat platform launched in 2015 that became popular with gaming communities before spreading to study groups, work servers and creator fan communities. Its short message ping is one of the platform sounds users hear dozens of times a day, so it quickly became shorthand online for a new message arriving. Editors reuse it in short videos, streams and memes because audiences recognise it instantly without any explanation, and it still works because Discord remains a daily chat habit for millions of people.