Oregon is still using paper applications to enroll people through the Affordable Care Act. iStockphoto hide caption

itoggle caption iStockphoto

Affordable Care Act navigator Nini Hadwen helps Floridians shop for health insurance in October. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

Doug Normington is 58, self-employed, and has diabetes. Courtesy of Doug Normington hide caption

itoggle caption Courtesy of Doug Normington

Health and Human Services Secretary Kathleen Sebelius testifies on Capitol Hill on Wednesday. Earlier today, Sebelius announced an inquiry into the agency's launch of the problem-plagued site. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

Health and Human Services Secretary Kathleen Sebelius' shadow appeared behind the lectern as she spoke about the implementation of the federal health law in Detroit in November. Paul Sancya/AP hide caption

itoggle caption Paul Sancya/AP

The consumer-facing part of is working more smoothly, but how well the invisible back-end is working is unclear. NPR hide caption

itoggle caption NPR

Lara Imler has tried to cancel her enrollment on, but to no avail. Annie Feidt/Alaska Public Radio Network hide caption

itoggle caption Annie Feidt/Alaska Public Radio Network