A lot of internet marketing experts recommend that you build a list of customers so that you can have a network of followers that are interested to know more about your products and services.
You can do this manually, and set up a specific system in order to get them to subscribe to your list, build it and communicate to them through email. It is recommended for you to do so if you have all the time to do it. But if you want to use a service that specializes in email marketing then you can check out a site called Aweber.
This email marketing software will help you manage your customer or client list easily. If you want to know more about how to use Aweber, then you can watch this Aweber tutorial in order for you to be informed of what to expect from this email marketing software today.