Millennials are typically defined as those born between the early 1980s through to the late 1990s. Aged between 22-37 years old, this generation accounts for about a quarter of the world's population. Most notably, millennials have grown up with the internet. They are used to having information instantly available at their fingertips and were the generation that led the way in terms of social media and using mobile devices to stay in touch 24/7. But what does this mean for the healthcare industry?