Most marketers understand the value of email in the general sense. But it’s also one of the oldest tactics in the digital marketing playbook. So its unmatched ability to reach qualified customers is often overshadowed by the latest and greatest marketing trends. Underestimating the power and potential of email marketing is a huge mistake that could cost you dearly. We’ve identified three ways that an email marketing plan can be one of your most valuable assets, and the single biggest factor in lead nurturing.