We all know it's all about social networks these days. And as consumers, we all turn to web pages to find information on what we need and to buy it. That's why when we hear about email marketing we get a little surprised, since we think that it doesn't work, that nobody likes to receive emails from companies. However, it's not about discarding the tool completely, it's about learning how to use it. In this article we will learn when is email marketing done well and when it's not.