Messaging is the tip of the spear, or the first step, for most companies in developing true one-to-one user engagement. It's a critical capability for modern businesses — but choosing the right vendor is challenging because the landscape is so crowded with providers converging on what Forrester refers to as "mobile engagement automation" (MEA). This report walks digital business professionals through the key decision-making steps to select the vendor partner that is right for their customers and business.