Marketing executives are rubbing their hands in glee, and sometimes anguish, at the potential. Product development directors are dreaming up innovative applications. CEOs are envisioning how their business prospects will be transformed. We are, of course, talking about digital – the rise and proliferation of digital technologies which is disrupting companies out of existence and transforming entire industries. But what is digital and what’s really new about it? Who should drive it? Is there a need for a chief digital officer (CDO)?