For Fitness Bands, Slick Marketing but Suspect Results - NYTimes.com - NYTimes.com

Actual results may vary

"“These technologies will have enormous potential over time, but I think their full potential will take many years to realize,” said Dr. David Blumenthal, a former adviser to President Obama and president of the Commonwealth Fund, a New York-based foundation that focuses on health care. “In pioneer analogies, we’re just landing on Plymouth Rock.”

And for the moment, at least, the accuracy of many health wristbands is not exactly rock solid."

For Fitness Bands, Slick Marketing but Suspect Results - NYTimes.com - NYTimes.com