Once they have read the resource or ordered the product, they tend to walk away and find mailing list other websites where they can find similar content and products. Through an email list and regular mailing of product and service updates, you can send your readers mailing list constant updates and new information that can help them satisfy their need for information and products.
And because they are fully informed about the developments in the site, they will mailing list come back if they found out that they can find something of use in your latest products, services or resources. If you use your email list with care, you can also cultivate a 2-way relationship wherein your customers and readers can also take advantage of it.
If you intelligently use the list, then you can brand and advertise yourself as an expert in your niche. Instead of simply sending them with blatant advertisements, you can use the mailing as a chance to offer them mailing list relevant and helpful content and resources on your chosen niche. If you constantly send them with these resources, it's only a matter of time before they will realize that you know what you are talking about.