A patient walks into an emergency room in a city they don't live in. They're unconscious. The ER team needs their medical history — allergies, current medications, prior conditions, anything that affects treatment decisions made in the next thirty minutes. What they have is whatever the patient is carrying. What they need is everything that's been recorded across a decade of care at hospitals, clinics, and specialists who all use different systems that don't talk to each other. This is not a rare edge case. It's a structural failure that happens constantly, in less dramatic forms, every single day across the healthcare system. A GP who can't see the specialist's notes. A pharmacist who doesn't know about the other medications a patient is on. A new provider who asks the patient to reconstruct their own history from memory because the records didn't follow them. The healthcare data problem is not primarily a technology problem.…