Cloud computing, social networking, mobile, and big data are having a profound impact on our societies and businesses. This Nexus of Forces, as Gartner calls them, will drive business for the next decade. Those who harness their power will lead the markets in the years to come, while those who procrastinate or resist adoption will be pushed aside. These transformative forces present organizations with a once-in-a-lifetime opportunity. At the center of this nexus is digital identity. A critical first step to overcoming the challenges introduced by any of these is knowing who someone is.