U.S. taxpayers have poured $30 billion into funding electronic records systems in hospitals and doctors' offices since 2009. But most of those systems still can't talk to each other, which makes transfer of medical information tough. iStockphoto hide caption

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Life online is all about sharing images. Being able to share medical images would make health care a lot easier, patients say. Science Photo Library/Corbis hide caption

itoggle caption Science Photo Library/Corbis

Dr. Oliver Korshin says he's just a few years from retirement and can't afford the flurry of technology upgrades the federal government expects him to make. Annie Feidt/Alaska Public Media hide caption

itoggle caption Annie Feidt/Alaska Public Media

Keeping patient records electronically, instead of on paper, didn't change how much hospitals charged per procedure, a study shows. But critics say billing errors can be more subtle. Roy Scott/Ikon Images/Corbis hide caption

itoggle caption Roy Scott/Ikon Images/Corbis

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

Dr. Billy Oley (left) talks with Dr. William George in the Beartooth Billings Clinic in Red Lodge, Mont. The hospital became part of the Billings Clinic system in exchange for help with its digital medical records. Eric Whitney for NPR hide caption

itoggle caption Eric Whitney for NPR

As the doctor examines a patient, medical scribe Connie Gayton records the visit using a microhone tethered to her laptop. Brandon Thibodeaux for NPR hide caption

itoggle caption Brandon Thibodeaux for NPR