The mobile frontier is vast, and growing. Around the globe people are turning away from desktops and laptops to embrace smart devices. With the next billion users heading this way soon, the possibilities seem to be limitless. Mobile marketers seeking to boost customer acquisition and retention while building deep brand loyalty have gained a powerful new tool in the form of push technology, delivering opt-in messages from mobiles apps directly to customers’ smartphones or other mobile devices. Push messaging is becoming must-have technology because nothing else enables such a close and personal connection with mobile users.