Skype launched in 2003 and became the default voice and messaging app for Windows PCs in the 2000s and 2010s, so its short received message tone was heard daily by millions of users. As Skype was replaced by newer apps, the sound survived in meme edits, nostalgia compilations and soundboards, often compared to the Discord notification sound that followed it. Creators still use the Skype pop because it instantly communicates an incoming message without any words, and because its soft, friendly tone feels unmistakably tied to that era of desktop chatting.