Larry Ellison's vision for the future of medicine crystallized for him in a doctor's office.Oracle's billionaire cofounder needed medication to help manage his cholesterol. He said his "very fancy doctor," a molecular biologist, prescribed a statin called Crestor. The choice was informed by Ellison's age, sex, ethnicity, and family history. But it was still, Ellison realized, just "a pretty good guess."Which got him thinking: What if, instead of guesswork, doctors could lean on generative AI to ...