I think Spire is a great idea, and one that has been missing from wearables until now. I'd like to see it offer more actionable data, however. For example, it could link to events in my calendar to tell me that I'm tense every time I have a meeting with a specific person. Or it could use the GPS on my iPhone to show me where I was when I was tense, or when I was relaxed. I think it would be great if it included a sort of biofeedback feature to help you calm down, based on your breathing, such as the $4 Breathing Zone app offers. Spire's team told me that they're planning to integrate lots of new features to the device in the future.
Spire is a unique tool for monitoring one part of your health that other wearables ignore. By monitoring your breathing, Spire can help you better manage your stress levels.
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