Google Ad Manager is a suite of advertising and monetization products and services offered by Google. Google Ad Manager includes tools for publishers, advertisers, and app developers to manage their advertising inventory, campaigns, and revenue. The products and services included in Google Ad Manager are: Google AdSense, which allows publishers to monetize their websites or apps by displaying ads and Google DoubleClick, which provides technology and services for managing and optimizing the delivery of digital ads. Google Ad Manager is a popular platform for publishers and advertisers, and is used by many websites and app developers to manage and monetize their digital content.