Next Big Thing, Predicted: Hydration Sensor

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IMAGE:  MC10

Given how ubiquitous fitness trackers have become (even before fitness watches appear in droves in 2015 and beyond), think hydration tracking next.

About 3.3 million fitness bands and activity trackers were sold between April 2013 and March 2014 in the U.S. through bricks-and-mortar retailers or large-scale e-commerce sites, according to the NPD Group.

But no one ends up in the Emergency Room for being too sedentary…

Consider the Annals of Epidemiology, Volume 17, Issue 9 , Page 736, September 2007, and this article by S. Kim More

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