We think it’s safe to say that in 2010, very few businesses don’t include e-mail marketing into their overall marketing campaign. It is overtly clear and has been statistically proven that e-mail is a solid modern medium, with the ability to reach a mass market in the most cost-efficient manner possible; nearly for free. But much like sales and business in general, marketing is highly dependent upon the art of building lasting relationships with customers, with even more emphasis on this in e-mail marketing.