Rep. Mike Rogers, R-Mich., asks about website security questions Wednesday at a House Energy and Commerce Committee hearing on problems with HealthCare.gov. Chip Somodevilla/Getty Images hide caption

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Among families with children age 8 and under, ownership of tablet devices has jumped fivefold since 2011, reports the nonprofit Common Sense Media. Jeremy Hiebert/Flickr hide caption

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Eva Hu-Stiles virtually interacts with her grandmother. iPad assist by Elise Hu-Stiles. John W. Poole/NPR hide caption

itoggle caption John W. Poole/NPR

An attendee looks at the new Mac Pro during an Apple announcement event in San Francisco. Justin Sullivan/Getty Images hide caption

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An attempt to draw out the various parts of HealthCare.gov's tech system, based on the testimony of its contractors. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

Mike Bracken is executive director of digital for the U.K. government. Lisbon Council/Flickr hide caption

itoggle caption Lisbon Council/Flickr

HealthCare.gov has been plagued with problems since the health insurance exchange site opened Oct. 1. Karen Bleier/AFP/Getty Images hide caption

itoggle caption Karen Bleier/AFP/Getty Images

Burberry CEO Angela Ahrendts is moving to Apple, where she will head the company's retail division. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP