Fitness Tracker allowed us to determine the epicenter of the earthquake

Fitness Trackers, such Jawbone UP24, allow to find out more about the behavior of their owners. And earnings of the manufacturer may depend not only on the sale of the bracelets themselves, but also on consumer research, such as the recently analysis statistics tracking sleep a > Help me to understand at what time in the major cities, people sleep as wake-up time is dependent on the presence of the underground and how the activity is increased at the weekend.

As it turns out, is not the only use of the bracelet. The company's website today appeared information that epicenter крупнейшего earthquake in 25 years in Northern California can be determined according to the set of fitness trackers.




company specialists examined how the earthquake affected people are UP, analyzing the statistics of their sleep.

Napa County and the city of Sonoma, Vallejo and Fairfield is less than a radius of 15 miles from the epicenter. About 93% of users in these cities UP abruptly woke up at 3:20 the night - just at the beginning of the earthquake. The farther away from the epicenter, the more people continue to sleep, despite the tremors. In San Francisco and Oakland, for example, woke up only 55%. In Santa Cruz, and Modesto (75 to 100 miles from the epicenter), far fewer people awake at night.

Waking up was hard to go back to bed - so 45% of the owners of the bracelet does not sleep more that night.

Jawbone UP24 i>



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Source: habrahabr.ru/post/234509/