4 trends tracked about this subject — the full history, oldest to newest below.
Experts are warning that the devices intended to track sleep and health may actually be detrimental to a user's well-being.
The release of the $99 Fitbit Air is sparking debates over its value compared to luxury smart rings and other Google wearables.
As wearable health technology proliferates, experts are clarifying which metrics matter most and the risks of over-optimizing personal data.
Apple Watch deals start at $199 for Prime Day