A patient in Oman needed a knee replacement. He didn't call a hospital. He opened Instagram, watched a 45-second reel of a surgeon in Chennai, checked the Google reviews, asked a question on WhatsApp, and got a response in 12 minutes — complete with a cost estimate and a visa guide. He booked the surgery three weeks later, at one-fifth the cost back home. That's medical tourism in 2026. The hospital that won didn't have the best surgeon. It had the best digital funnel. "The p