Customers enter a Hobby Lobby store in Antioch, Calif., this past spring. The Supreme Court is ruling on the crafts store chain's resistance to portions of the Affordable Care Act. The store's owners cite their religious freedom. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Dave Vockell, CEO of the software company Lyfechannel, takes first place — and wins $20,000 — in the Code-a-Palooza Challenge at Health Datapalooza 2014. David Hathcox/David Hathcox for Health Data Consortium hide caption

itoggle caption David Hathcox/David Hathcox for Health Data Consortium

Juanita Alvarado (right), a community health worker at the Transitions Clinic in San Francisco, helps a patient. courtesy of Transitions Clinic hide caption

itoggle caption courtesy of Transitions Clinic

Dudley Pratt (left) talks to reporter Jenny Gold at a gas station in Fenner, Calif. He's frustrated by all the paperwork related to his health insurance these days. Ilana Lipsett/Jenny Gold hide caption

itoggle caption Ilana Lipsett/Jenny Gold

Tammy Boudreaux tries a tendon-stretching drill after surgery. Boudreaux was able to get much of her operation and rehabilitation covered by the insurance plan she bought via the Affordable Care Act. Carrie Feibel hide caption

itoggle caption Carrie Feibel

Cigna's letter to Julie Rovner saying she had no proof of past coverage, so limitations based on pre-existing conditions could apply. (Highlights added.) Julie Rovner for NPR hide caption

itoggle caption Julie Rovner for NPR