Building an email list is actually one of the main goals of digital marketing for many businesses. When a business runs ads, posts on social media, or writes blog content, the goal is often to bring people to a page where they can sign up with their email address in exchange for something useful, like a free guide, a discount, or helpful tips. Once someone is on your email list, you can reach them directly without depending on social media algorithms. Digital marketing is basically the vehicle that drives people to sign up, while the email list becomes a long-term asset the business owns and controls.