This sound is tied to the SNCF Carte Kiwi advertisement, a French promo clip that became memorable through repetition on television and in viewers' memories. Online, it survives less as a formal commercial archive piece and more as a nostalgic audio reference shared in memes, throwback videos, and French soundboards. Its continued use comes from how instantly recognizable ad lines and jingles can mark a specific era, especially for people who grew up hearing them regularly in France.