The document discusses how social, mobile, analytics, and cloud (SMAC) technologies are reshaping businesses and marketing. It outlines the key benefits of SMAC including productivity anywhere, data-driven decision making, and real-time interactions. The document then discusses how SMAC is impacting business strategy through accelerated and always-on access, empowering customers and employees, and connecting the workforce. For marketing strategy, SMAC enables accelerated lead generation, customized interactions through data and personalization, integrated online and offline experiences, and synchronization across channels. The document concludes that SMAC brings more change in the next 3 years than the past 50 and that opportunities lie at the interfaces between technologies.