It's no secret that some marketers believe that email marketing has lost its effectiveness they believe that inboxes are simply too full, and you can't break through the noise. If you've heard the same, don't listen. Email marketing is just as effective as it has always been, offering an incredible ROI of $38 for every $1 spent, which is an astounding 3,800% ROI. The key is breaking through all that noise to reach your customer. 5 Must-Know Ways to Personalize Your Email Campaigns