Take a look at these new technologies that allow people to keep track and quantify every detail of their daily lives. It's a growing movement called “quantified self.” The personal data gathered is often health-related, but there are applications to…

Nurse Allison Miller checks the blood pressure of a patient in Los Angeles. Days before the Affordable Care Act's insurance marketplaces open, a new study has found that confusion among Californians remains widespread. Photo by David McNew/Getty Images. SAN…

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