QWERTY Keyboard and the Kauaʻi ʻōʻō

This episode of *The Anthropocene Reviewed* reviews the QWERTY keyboard and the extinct Kauai O'o bird. John Green traces the QWERTY layout's history, highlighting its evolution through collaboration and the role of standardization in its widespread adoption, ultimately rating it four stars for its functional effectiveness despite inefficiencies. He then details the Kauai O'o's extinction due to introduced diseases and habitat destruction, contrasting its 5-million-year existence with the relatively short lifespan of human impact on the environment, giving it a 4.5-star rating. The podcast concludes with a reflection on human responsibility towards biodiversity and the lasting impact of loss. The episode features a recording of the Kauai O'o's last known song.