Bernays is the applied counterpart to Ellul's theoretical framework; the practitioner who demonstrated at scale, from the 1920s through the 1950s, that public opinion and consumer behavior could be deliberately engineered through the management of symbols, associations, and social dynamics rather than through rational argument. His most significant campaigns; reframing cigarettes for women as "torches of freedom," associating bacon and eggs with a healthy American breakfast through coordinated physician endorsements, turning the fluoridation of water into a public health symbol; all demonstrate the core mechanics of symbolic engineering before the terminology existed. The relevance for this framework is threefold. First, Bernays demonstrates empirically that meaning can be engineered at scale and that the engineering works. Second, his methods; third-party credibility, association with existing cultural desires, the manufacture of events that generate coverage; are direct ancestors of what DeMark codifies as trading up the chain. Third, his observation that people respond to symbols and associations rather than to information is the applied version of what the semiotics and psychoanalysis sections of this framework establish theoretically. The Century of the Self, Adam Curtis's documentary about Bernays and the application of psychoanalytic techniques to mass persuasion, is the recommended entry point before reading Bernays directly.