Why is it recommended to have are marketing list with a Smart Shopping campaign?

Are marketing list will help Smart Shopping campaigns reach users who are more likely to purchase again because they've already shown interest in your products.This option is correct because re marketing lists consist of users who have previously interacted with your website,such as visitors who have viewed product pages,added items to their cart,or completed a purchase.By targeting these users with Smart Shopping campaigns,which utilize machine learning algorithms to optimize bidding and ad placements,you can effectively reach individuals who are already familiar with your products and have shown a higher propensity to make a purchase.Leveraging re marketing lists allows you tore-engage these users,reminding them of products they've previously shown interest in and encouraging them to complete their purchase or make additional purchases. This strategy can significantly improve campaign performance by focusing advertising efforts on users who are more likely to convert,ultimately maximizing return on ad spend(ROAS)and driving revenue for your business.Therefore,having are marketing list with a Smart Shopping campaign is recommended as it enables you to target and reach users who have already demonstrated a genuine interest in your products,increasing the likelihood of driving sales and achieving campaign objectives.