The first iteration of the “Quantified Self” movement largely fizzled out about five years ago. Avid self-trackers, at the time, started to worry they were drowning in data, but lacking in insight.

Along comes Metriport, which aggregates all of your quantified-self data in one place, and adds clever features like mood tracking, medicine tracking and journaling. All your data lives locally on ...

“Quantified self” gadgets were surprisingly hot at this year’s Consumer Electronics Show (CES) — if journalists covering the event are to be believed. Once an obscure realm of researchers and ...

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As a quantified-self experiment, [Ayan] has tracked several daily habits and moods for a couple of years and discovered some insights. Too much coffee is followed by anxiety while listening to music ...