The Key Test For HealthCare.gov Is The Part You Can't See

The part of HealthCare.gov that consumers see is working more smoothly, but it's unclear how well the invisible back end is working.

Source: http://www.npr.org/blogs/alltechconsidered/2013/12/01/248078217/the-key-test-for-healthcare-gov-is-the-part-you-cant-see?ft=1&f=1003

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