Garmin's Vivoactive fitness tracker isn't for everyone

EngadgetGarmin's Vivoactive fitness tracker isn't for everyone -- and that's okay ...EngadgetThere may never be a wearable equivalent of the iPhone -- a must-have gadget that sparks a fundamental change in how we live. Instead, the future of wearables is all about niche products that may be right for some, but won't necessarily be everyone's ...