How did N.W. ayer and son the first advertising company try to attract customers?

N.W. Ayer & Son, the first advertising agency, sought to attract customers by emphasizing their innovative approach to advertising, which included research and strategic planning tailored to each client's needs. They showcased their successes through compelling case studies and testimonials, demonstrating the effectiveness of their campaigns. Additionally, they offered a full range of services, from creative design to media buying, positioning themselves as a one-stop solution for advertisers. Their commitment to professionalism and measurable results helped build trust and credibility with potential clients.