Email Marketing  

It is not as powerful as it was but... if you manage to build a list of your own, then it is very powerful indeed. There are many advantages to a list of your own, which you can build totally free.

Well fajarsulistyo,

These days it is very common market strategy in today's ever-changing online and marketing environment. There are many benefits and yes, still has powerful to find revenue as you asked. Email marketing can also help generate new customers for you by providing your audience with the automated option. You know the growth in demand for email marketing continues to be a key trend in the market. Compared to traditional media, email is fast, personal, interactive and extremely cost effective.

Thanks.