Google's trillion-minute SensorFM data shows wearables shifting from raw metrics to AI health agents, a trend already reshaping Whoop and Oura.

We’re all wearing Apple Watches, Oura Rings, and FitBits now. Are they doing us any good?

Google's trillion-minute SensorFM data shows wearables shifting from raw metrics to AI health agents, a trend already reshaping Whoop and Oura.