This document discusses how developers can quickly integrate PayPal payments into their hackathon projects to turn demos into real businesses. It provides information about PayPal's mission to expand digital payments globally. Developers can set up client-side REST integration in just one minute through PayPal's developer portal. The presentation encourages teams building hackathon projects to try integrating PayPal's APIs to potentially receive novelty items from PayPal. It also advertises PayPal's user community groups in Japan for developers to join.