The whole world is being transformed thanks to technological advancements in artificial intelligence, machine learning, and predictive analytics. With the promise of Industry 4.0, and its application in everything from health care, movie ratings, and fraud protection - to name but a few - the world will never be the same. And with the availability of wireless sensors, fast networks, and massive storage, condition monitoring, and especially vibration analysis, will never be the same. There are giant commercial enterprises and small silicon-valley startups that have identified this opportunity, and industrial organizations that are finally waking up to the opportunity of predictive maintenance.