Yahoo Mail's notification chime became one of the internet's most recognisable inbox alerts as webmail grew in everyday use, and clips of it later spread across soundboards and video platforms. Creators reuse it because the tone is instantly linked to receiving mail, even for viewers who no longer use Yahoo. In memes and edits it now works as shorthand for a new message, a reply, or an unexpected update, keeping a simple system sound relevant long after its original inbox context.