Elon Musk's Diary: Saturday, August 15th, 2026

**SOFTWARE LONGEVITY / RIVIAN COMPETITIVE THREAT / APPARATUS ORDERS MARS-SPEC TIRES** Journalist asked how long software-defined vehicles last. Paused 9.48 seconds calculating Martian dust-storm cycle equivalents while left iris shifted 2.3mm toward amber spectrum. "Twelve point eight years average terrestrial operation seems... brief." On Mars, vehicle longevity measured in centuries—atmospheric…