This document provides an overview of Kazuaki Oda's presentation on problem and customer definition for the Hult Prize Hokkaido University competition in 2022. The presentation covers various topics including definitions of innovation, business opportunities, products and customers, and pitch presentations. It emphasizes thinking with numbers, finding opportunities in problems, understanding customers, and the importance of funding, product design, and marketing for innovations. Mathematics questions are also used as examples. The overall message is that innovations are not as difficult as they seem and are waiting to be discovered.