AI IMPLEMENTATION IN MARKETING OF U.S. COMPANIES: EVIDENCE, CASE STUDIES, AND FORECASTS FOR RETAIL AND HEALTHCARE. Modern American Journal of Engineering, Technology, and Innovation, [S. l.], v. 2, n. 1, p. 120–158, 2026. Disponível em: https://usajournals.org/index.php/2/article/view/2266. Acesso em: 10 may. 2026.