Case starts the book of by addressing three major industries that he believes will have the biggest impact or potential to be most impactful in the future — Healthcare, Eduction, and Food.
The Third Wave starts off by talking about the three industries he thinks are going to be the most impactful which are Healthcare, Education, and Food. In the present, at this moment we see how they Healthcare is really needed and useful. That includes things like hospitals, medicine, and more things like even toothpaste. For Education, people go to school and many want to go to college. For Food, it's simple everyone loves food.