This document discusses how mobile devices are changing marketing and communications. It notes that smartphones are becoming the central hub for digital interactions, communities, and insights into consumer behavior. Marketers must develop mobile marketing strategies and capabilities to engage with consumers on their smartphones through platforms, apps, SMS/MMS, and mobile websites. Examples are given of how some companies are successfully leveraging iPhone apps to drive revenue and monetize marketing. The shift to mobile is accelerating and will continue to significantly impact marketing approaches.