Any internet search on the acronym VUCA shows that it is an immensely popular topic in business schools and business journals right now. There are reams of articles on leadership in the VUCA world.First used by the American military to describe the extreme conditions encountered in Afghanistan and Iraq, VUCA stands for Volatility, Uncertainty, Complexity and Ambiguity. Now it is applied more generally to the environment in which we all live. I believe this has special relevance to the communication profession. So what lies behind the acronym?