Affiliates can use retargeting to boost conversions by targeting visitors who have interacted with their content. Affiliates can place a retargeting pixel on their website or landing page to track visitors. Affiliates can create custom ads for these visitors, reminding them about the products they viewed. Affiliates can use platforms like Facebook or Google Ads to run retargeting campaigns. Affiliates can segment their audience based on behavior, showing them relevant ads based on their previous actions. Affiliates can also adjust ad creatives and offers to increase engagement and improve conversion rates over time.