What technique does this advertisement use to achieve its purpose? It presents the positive association that everyone who purchases the radio will have years of happiness. It indicates that celebrities who own the radio have achieved years of happinessâ€""and the viewer can have the same. It uses the bandwagon technique by expressing to the viewer that others who own the radio have achieved years of happiness. It reminds them of the past by highlighting the ways in which the radio gives people years of happiness.