Jen and Ido unpack BetterWeather, a listener’s platform for betting on official weather-station outcomes—sun hours, rain, temperature. With playful, curious energy, they sketch UX, spell out sensor-level definitions, and design fairness safeguards from frozen markets to cryptographic logs. A KSFO fog-versus-sun showdown illustrates “emotional hedging” for picnics and weddings. Surprising take: done gently, a betting app can teach meteorology, curb harm, and even fund good.