Skype launched in 2003 and, after Microsoft bought it in 2011, became the dominant chat and video calling app of the 2010s, retiring in 2025. Its interface sounds, including the outgoing message pop, were heard by hundreds of millions of users and became shorthand for early internet culture. Today the clip circulates on soundboards next to the Discord notification and the simple ding, often used in 'texting in 2012' memes and retro tech edits where its warmth instantly dates the joke.