By LESLIE SCISM And MARK MAREMONT
Life insurers are testing an intensely personal new use for the vast dossiers of data being amassed about Americans: predicting people's longevity.
Insurers have long used blood and urine tests to assess people's health—a costly process. Today, however, data-gathering companies have such extensive files on most U.S. consumers—online shopping details, catalog purchases, magazine subscriptions, leisure activities and information from social-networking sites—that some insurers are exploring whether data can reveal nearly as much about a person as a lab analysis of their bodily fluids.
Read more: http://online.wsj.com/article/SB10001424052748704648604575620750998072986.html#ixzz15kASyVV7
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