Programmatic display refers to the automated process of buying and selling digital advertising space in real-time through the use of algorithms and technology. This method allows for precise targeting and optimization of ads, based on factors such as audience demographics, behavior, and interests. It eliminates the need for manual negotiations and allows for more efficient and effective ad placements, resulting in higher return on investment for advertisers. Programmatic display has revolutionized the way digital advertising is bought and sold, making it faster, more targeted, and more cost-effective.