ASMR grew online as creators recorded whispering, tapping and other close-mic triggers for listeners who feel tingles and relaxation from quiet sounds. Short clips like this one are shared on soundboards because a full session is not always needed in an edit. A four second trigger can be reused as a reaction, a transition or a joke about something being oddly satisfying. Its popularity comes from how instantly recognisable the soft, intimate style is, even without any context or longer setup around it.