Email marketing has come a long way since Gary Thuerk sent the first email marketing blast in 1978. Despite all the other means of communication and marketing channels that have arisen, email is still one of the most ubiquitous forms of communication and a key marketing channel for most businesses. But calculating email marketing ROI can be a struggle for some. Read on to see how the full customer journey factors into yours.
Source: Oberlo. Check out the complete infographic with more email marketing stats on their blog.