Franz sells a wide variety of apparel. Franz's goal is to dynamically insert data into text ads from a feed depending on certain circumstances. What ad type should Franz use? Select one option.

Explanation: Franz should use **ad customizers** to achieve his goal of dynamically inserting data into text ads from a feed depending on certain circumstances. Ad customizers allow advertisers to personalize their ads with details such as price, inventory status, and promotions based on factors like the user's device, location, or audience list. This dynamic insertion capability ensures that Franz's ads remain relevant and up-to-date, maximizing their effectiveness in capturing the attention of potential customers. Unlike expanded text ads or responsive search ads which offer static content that needs to be manually updated, ad customizers streamline the process by automatically adjusting ad content based on predefined criteria, saving Franz time and effort while delivering more tailored messaging to his target audience. Additionally, ad customizers can help Franz showcase the variety of apparel he sells by dynamically incorporating specific product details into his ads, further enhancing their relevance and appeal to potential customers, thus making them the most suitable choice for Franz's advertising needs.