An excerpt from Your First 1000 Copies:
If you start researching the world of Internet marketing, you’ll quickly come across names like Frank Kern, Brendan Burchard and Jeff Johnson. While I don’t recommend or endorse all of their tactics and products, they are interesting case studies in ways to effectively sell products and make money, especially using online platforms.
The email list is their most preferred tool because it generates the best results by a wide margin over any other tool. In fact, if you were to ask them to choose between their email list or all of their other marketing assets combined (Facebook, Google+, Twitter, their blog, their podcast), they’d pick the email list every time. The reason is simple: Their email list is where they make their money.