Google earns billions of dollars through advertising on Search, with ads only appearing on about 20% of "commercial queries" that have financial associations. The company offers two types of advertising: businesses can show ads on Google products like Search and YouTube, or they can buy ad space on partner sites and apps, such as news publications and blogs.Google earns billions of dollars through advertising on Search, with ads only appearing on about 20% of "commercial queries" that have financial associations. The company offers two types of advertising: businesses can show ads on Google products like Search and YouTube, or they can buy ad space on partner sites and apps, such as news publications and blogs.