jm + fitbit   2

The Plan to Use Fitbit Data to Stop Mass Shootings Is One of the Scariest Proposals Yet
“The proposed data collection goes beyond absurdity when they mention the desire to collect FitBit data,” Annas told Gizmodo. “I am unaware of any study linking walking too much and committing mass murder. As for the other technologies, what are these people expecting? ‘Alexa, tell me the best way to kill a lot of people really quickly’? Really?” [....]

Fridel said that “literally any risk factor identified for mass shooters will result in millions of false positives,” adding that the most reliable risk factor is gender, and that most mass murderers are male. “Should we create a list of all men in the United States and keep tabs on them?” she said. “Although it would be absurd and highly unethical, doing so would be more effective than keeping a list of persons with mental illness.”
dystopia  technology  grim-meathook-future  data-protection  data-privacy  fitbit  harpa 
16 days ago by jm
JPM | Free Full-Text | Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
The ability to measure physical activity through wrist-worn devices provides an opportunity for cardiovascular medicine. However, the accuracy of commercial devices is largely unknown. The aim of this work is to assess the accuracy of seven commercially available wrist-worn devices in estimating heart rate (HR) and energy expenditure (EE) and to propose a wearable sensor evaluation framework. We evaluated the Apple Watch, Basis Peak, Fitbit Surge, Microsoft Band, Mio Alpha 2, PulseOn, and Samsung Gear S2.


tl;dr: wrist-based calorie counters were inaccurate by up to 93% in tests.
fitbit  microsoft  mio  pulseon  samsung-gear  apple  apple-watch  basis  gadgets  health  heart-rate  calorie-counters 
may 2017 by jm

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