![Data scientist Rachel Kalmar is pictured wearing multiple wearable technology devices in Washington, D.C., on March 18, 2015. Kalmar wears a range of devices including the Nike FuelBand, Fitbit, Basis, Pebble, Jawbone Data scientist Rachel Kalmar is pictured wearing multiple wearable technology devices in Washington, D.C., on March 18, 2015. Kalmar wears a range of devices including the Nike FuelBand, Fitbit, Basis, Pebble, Jawbone](https://c8.alamy.com/comp/2EX28DM/data-scientist-rachel-kalmar-is-pictured-wearing-multiple-wearable-technology-devices-in-washington-dc-on-march-18-2015-kalmar-wears-a-range-of-devices-including-the-nike-fuelband-fitbit-basis-pebble-jawbone-and-misfit-shine-among-many-others-as-part-of-an-experiment-to-create-as-much-data-about-herself-as-possible-photo-credit-kristoffer-tripplaar-sipa-usa-please-use-credit-from-credit-field-2EX28DM.jpg)
Data scientist Rachel Kalmar is pictured wearing multiple wearable technology devices in Washington, D.C., on March 18, 2015. Kalmar wears a range of devices including the Nike FuelBand, Fitbit, Basis, Pebble, Jawbone
![1: A: Most popular wearable biosensor devices as of 2014. Nike, Fitbit... | Download Scientific Diagram 1: A: Most popular wearable biosensor devices as of 2014. Nike, Fitbit... | Download Scientific Diagram](https://www.researchgate.net/publication/275524207/figure/fig1/AS:613856812470307@1523366277659/A-Most-popular-wearable-biosensor-devices-as-of-2014-Nike-Fitbit-and-Jawbone.png)
1: A: Most popular wearable biosensor devices as of 2014. Nike, Fitbit... | Download Scientific Diagram
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