Consumers are spending more time on their mobile devices than they ever have before, using them for everything from checking social media and ordering food to making product purchases. Mobile is also increasingly the main way consumers check their email. Mobile CTO (click-to-open) rates are nearly on par with desktop rates, and mobile clicks are also increasing. They accounted for nearly 47 percent of email clicks in Q3 2015, which is about a 33 percent growth in the last two years.