A remnant network is a type of advertising network that is focused on buying and selling remnant inventory, or ad impressions that are unsold or underdelivering. A remnant network can include a variety of publishers and platforms, such as websites, apps, or other digital media, and can provide advertisers with access to high-quality and high-performing ad inventory at a lower cost. A remnant network can be an effective way for advertisers to maximize the reach and effectiveness of their advertising campaigns, and to drive brand awareness and engagement. A remnant network can also be beneficial for publishers and platforms, as it can provide a way to monetize their ad inventory, and can help to generate additional revenue and profits. A remnant network can be an important part of an advertiser's media buying strategy, as it can provide access to a wide range of ad inventory, and can help to optimize and maximize the performance of an advertising campaign.