The mobile landscape is very different than it was just a few years ago. The iPhone's powerful software, revolutionary user interface, and powerful developer platform has driven an almost overnight explosion of apps. Consumers have shown through their actions that apps are how they want to consume content on mobile devices. The rapid change in the mobile landscape provides an excellent opportunity for entrepreneurship. In June 2008, I left a nearly four-year tenure at Apple because on the eve of the App Store launch, I felt the old guard of the mobile industry, who had been the gatekeepers,...