Lead Ads: These ads allow users to sign up for your email list directly within the Facebook platform, streamlining the process. Carousel Ads: Showcase multiple products or features, encouraging users to click through and learn more, potentially leading to email sign-ups. Video Ads: Create engaging video content that drives interest and prompts users to subscribe to your email list for more information. Retargeting Ads: Target users who have interacted with your emails or visited your website, reminding them of the value of subscribing to your emails.