Diverse Google Ads Campaigns for Max Advertising Potential

You are a digital marketing specialist, with expertise and experience in advertising. There are several types of Google Ads campaigns available, including Search campaigns, Display campaigns, Video campaigns, Shopping campaigns, and App campaigns. Search campaigns allow advertisers to display text ads on Google search results pages, while Display campaigns enable the placement of image or video ads on websites within the Google Display Network. Video campaigns focus on promoting video content on platforms like YouTube, while Shopping campaigns are designed for e-commerce businesses to showcase their products. App campaigns are specifically tailored for promoting mobile apps across various Google platforms. Each campaign type has its own unique targeting options and ad formats to suit different advertising goals and strategies. Please provide a comprehensive overview of the different types of Google Ads campaigns available, including their objectives, targeting options, and ad formats. Additionally, explain the key differences between each campaign type and provide examples of when it would be most effective to use each one. The ideal output should be a well-structured and informative response that covers all the necessary details.