By Chet Kapoor, Chairman & CEO of DataStax Enterprises have been talking about digital transformation for quite a while. It’s about rethinking how we use technology to drive new or improved strategy, people, and operations to meet changing business and customer needs. But what does digital transformation mean for the CIO? How has their role evolved through the three stages of transformation, and what does this mean for the future? Let’s dive in. Stage 1: app modernizationDuring this stage of transformation, the industry solved for scale-out networking, connecting to billions of devices and app…