The Apple Watch and Microsoft Band use optical sensors to measure heart rate. The Jawbone Up3, which instead tracks your resting heart rate, uses bioimpedance sensors and several electrodes to measure your skin’s s resistance to a small amount of electrical current. Only available right here at Urban OutfittersIt
To solve the former, you could look into optimizing with preventive maintenance which can improve internal workflows and pick up issues before they become hugely problematic.
Technology is nothing. What’s s important is that you have a faith in people, that they’re basically good and smart, and if you give them tools, they’ll do wonderful things with them