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Opinion
Cathy O'Neil

Big Data Is Coming to Take Your Health Insurance

Universal government coverage may be the only solution.
Predictable?

Predictable?

Photographer: Scott Olson/Getty Images

For all its absurdity, the debate over Obamacare has accomplished something positive: It has educated people that insurance is really about risk pooling -- as in you need both healthy and sick people to participate if it’s going to be affordable for the sick.

Some believe that universal government health coverage is the only way to guarantee such risk-sharing. They will be all the more right in the age of big data.