Have you ever gone to a website and it has asked you to submit your name and email, an the company will notify you when they have any new products or sales. If so your name and email were put on an Email List. This way of advertising has a 4300% return on investment for businesses in the USA. Some business estimate that they have gotten a 10 time higher customer conversions than by using social media. So the short answer is that it is a great way to get new customers with a high return on investment. We found this great article that explains all about email links, please (Click Here) to read the article.