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

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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's tech system, based on the testimony of its contractors. Elise Hu/NPR hide caption

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

toggle caption Lisbon Council/Flickr has been plagued with problems since the health insurance exchange site opened Oct. 1. Karen Bleier/AFP/Getty Images hide caption

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

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