Ad copy that niches its messaging down to one extremely specific pain point, so narrowly that the targeted customer feels "personally attacked" by the ad and immediately recognizes themselves in it. The specificity itself is the conversion mechanism — a vague benefit claim gets scrolled past, but a hyper-specific pain point triggers instant self-recognition ("that sounds like me") and a click.
Works hand-in-hand with Data-Driven Buyer Persona Research: the pain point has to come from real customer language (reviews, search terms), not a guess at what might resonate. Complements Product Photo Pain-Point/Solution Strategy, which applies the same pain-point/solution logic to product photography rather than ad copy.