Why augmented reality? In today's world, we are flooded with vast amounts of information through 24/7 media, internet connectivity, and mobile devices. The problem is not whether we have enough information, but that we have too much. The challenge is how to filter, process, and use valuable information and ignore redundant, irrelevant, and incorrect information. This is explained by Schmalsteig and Hollerer in their book, Augmented Reality, Principles, and Practice (Addison Wesley, 2016):
What kinds of applications can benefit from this? Well, just about every human endeavor that presently uses digital information of any kind. Here are a few examples that we will further illustrate as actual projects throughout this book.