The iconic sleep-tracking smart ring is accurate and comfortable—but smart rings make poor activity trackers.

This year has established the fact that our collective fascination with engagement rings—their cuts, their sizes, and their costs—is endless. While diamonds have always (and probably forever will be) ...

Since experiencing a heart attack a few years ago, I’ve worn a slew of wearables that promise to track every health metric that matters to me and my personal wellbeing. Smartwatches are a good choice, ...

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