I've been thinking along the lines of the thoughts he presents at the end of the presentation. Once data collection becomes easy, more people will live a reflective life and make better choices. We will also see less hypocrisy as the illusion of their perceived self, how they see themselves, is contrasted by their real behavior. A trivial example would be, X is my favorite food and Y is my favorite band. Well according to this data you eat Z instead of X, and you listen to B at a much greater frequency than you do Y.