Even though we are true believers in data, we also believe that Inbound includes more than just metrics. While we can track visitors who become customers, there are many intangibles with an inbound plan. While focusing on the conversions, we also believe that customer retention and experience are just as critical. Developing and maintaining brand authority takes time to refine and build over time. ROI is usually much higher for inbound marketing than for outbound marketing techniques, including higher lead generation, increased traffic, and increased sales revenue. The precise figures will depend on how much you invest and how well you utilize inbound marketing techniques.