Google offers several ways to earn money through Google Ads including displaying text, image, video, and shopping ads on the Google Network which includes Search, Display, YouTube, Maps and more. Advertisers can organize their accounts into campaigns, ad groups, and ads. There are different types of campaigns including search, display, shopping and video campaigns that have settings for budget, devices, and networks. Google uses various cost models like cost-per-click, cost-per-acquisition, and cost-per-view to determine how ads are charged based on a advertiser's budget.