This flea market in Colorado Springs and the Obamacare exchanges are versions of the same thing — marketplaces where sellers display wares and shoppers browse and buy. www.csfleamarket.com hide caption

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The tax penalty is designed to encourage people to sign up for health insurance. iStockphoto hide caption

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Yolanda Madrid of Miami (left) talks with navigator Daniela Campos while signing up for health insurance under the Affordable Care Act in January. Lynne Sladky/AP hide caption

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Yuvania Maldonado, a counselor for President Obama's health care law, speaks with Chicago taxi driver Mohammad Chaudri at a city office where taxi drivers go to renew their license. M. Spencer Green/AP hide caption

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Daniel Horowitz for NPR

There's confusion about whether drugmakers can provide financial assistance to patients who buy health insurance on the exchanges. Roel Smart/iStockphoto hide caption

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UPS has told workers that it will no longer offer health coverage for spouses who have their own job-based insurance. Above, a UPS driver makes a delivery in North Andover, Mass. Elise Amendola/AP hide caption

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Insurers get paid more for older people under the Affordable Care Act, even if they're healthy. Tony Ding/AP hide caption

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Laura Breland gets her teeth cleaned by Denise Lopez-Rodriguez at a community health center in Aurora, Colo., in 2012. Dental coverage is available through the Affordable Care Act. John Moore/Getty Images hide caption

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Tammy Boudreaux (right) with her partner, Laura Perez. Boudreaux is weighing the cost and benefits of purchasing health insurance. Courtesy of Tammy Boudreaux hide caption

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