Article Excerpt: A bodybuilder presses the iPhone’s camera with a fingertip, and his heart rate and blood oxygen levels appear on the screen. A fellow in pajamas steps onto a scale, peers at his smartphone, and sighs dejectedly. A runner races along the waterfront, a cellphone strapped to her pumping arms.
Full Article: http://tinyurl.com/py3qs7s
Article Source: NYTimes.com