Ad Optimization

A customized ad is more likely to appeal to potential customers because it is more relevant. Using dynamic text can help improve the click-through rate and conversion rate of your ads, and when you use dynamic text as a placeholder, you can quickly update multiple ads simultaneously.
 

Benefits of Using Dynamic Text View the tutorial
When you work with dynamic text, you can customize your search ads by using text variables. You first create a base ad, and then you indicate which parts of the ad will change, depending on factors such as keyword search queries by potential customers. 

Dynamic text also applies to Content Ads^Beta. Instead of responding to a search query, Microsoft adCenter scans the content of a web site and identifies and prioritizes its keywords. By using a certain algorithm, adCenter then generates the equivalent of a search query.