Explore the comprehensive evolution of online display advertising from the 1980s to 2025. This in-depth paper covers the origins of digital ads, the rise of banner ads, the impact of programmatic advertising, and the influence of mobile and social media. Discover how privacy regulations like GDPR and CCPA reshaped targeting practices, and learn about the latest trends in native advertising and real-time bidding. Perfect for digital marketing professionals looking to stay ahead in the ever-evolving ad landscape.