This ringtone is closely associated with Apple's iPhone, whose distinctive call sound has become one of the most recognised phone sounds in the world. Because so many people have owned or heard an iPhone, the tone is instantly familiar in everyday life, and that familiarity carried it into online videos, memes and pranks. Creators use it to suggest a call, a message or an interruption without needing any explanation, and it remains popular because it still sounds like a real phone ringing in a room.