This document discusses the digitization of the world and how it has disrupted business models over recent decades. It outlines how consumer technologies like mobile, broadband, and social media have advanced much more rapidly than enterprise IT. This disruption is now driving massive investment in new enterprise systems of engagement for analytics, big data, and real-time capabilities. The document argues that Hadoop has a big role to play here for systems that optimize outcomes at scale across many industries. It outlines the technology adoption lifecycle and different strategies needed to reach tipping points with customers. The key takeaway is that domain expertise will be core to competitive advantage for Hadoop developers.