The Google Display Network (GDN) is a vast online advertising platform that allows businesses to display ads across a wide range of websites, apps, and videos. It reaches over 90% of internet users, making it an effective way to promote products and services to a large audience. Advertisers can choose from various ad formats, including text, images, and videos, to engage potential customers. GDN uses targeting options to help advertisers reach specific audiences based on demographics, interests, and online behavior. This means businesses can show their ads to people who are more likely to be interested in what they offer, increasing the chances of conversions and sales.