How Our Wearables Are Crowdsourcing Health AI

Millions of people are quietly running one of the largest health studies in history - not in clinics, but on their wrists and fingers. Every ring, watch, and tracker is a tiny sensor, streaming data that, when pooled together, creates enormous datasets fueling the next wave of AI-driven health insights. It’s funny to think how far we’ve come. Not too long ago, wearable tech meant a clunky pedometer clipped to your belt, dutifully counting steps until you got bored and tossed it in a drawer. Fast forward to 2025, and your jewelry doesn’t just judge your bedtime - it can survive a 25-hour Senate speech, log your stress while you argue policy, and even tell you that you’re not getting enough restorative sleep (as if you didn’t already know). When Senator Cory Booker stood (and stood… and stood) for 25 hours straight to make the longest speech in Senate history, he wasn’t just breaking political records. He was also unintentionally stress-testing the Oura Ring. The poor device h...