It might be that humans naturally possess superstitious minds that react strongly to elements of serendipity. Even the most scientific minds will have a hard time not having an emotional response to randomly getting into a conversation that shows potential of positively affecting their lives.
The application for me forced me to grasp a clear picture of my vision from the fuzzy direction that my prototype has been heading in.The intro video process really helped me arrive at a concrete and concise pitch that doesn't rely on me demo-ing the app on a screen, which is what I usually do.