Combine the customer the payload of the an attractive and interactive design is an art. However, the main priority is to adapt all have predetermined targets marketing campaign oriented sales support or the triggering of awareness to your products and services. The Finally, it is essential to ensure the effectiveness of this measure campaigns through statistical tools such as. Google Analytics. Email newsletter in this stands out among commercial marketing tools that we know exactly how many recipients saw its contents and   how many are interested, pulled on your site to make their purchases.