SADs
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If you've got the SADs, this sunlight-tracking wearable could help cure it
There are wearables to track your exercise activity, food consumption and sleep habits. There are even wearables that want to be smartphones-lite. But never before has there been a portable tracker for daily sunlight exposure. That's a niche GoodLux is looking to fill with its SunSprite, a solar-powered, Bluetooth 4.0 wireless device with a Harvard Medical pedigree that's launching today on Indiegogo. And it's gone everywhere with me this past week in Barcelona as I've raced in and out of conference halls to cover Mobile World Congress.