WASHINGTON, DC - OCTOBER 08: A rotary phone is seen in the Main Card Catalog Room at the Main Reading Room of the Library of Congress Thomas Jefferson Building October 8, 2012 in Washington, DC. The Library of Congress opens its Main Reading Room for a special public open house twice a year with librarians available to demonstrate the library’s resources. (Photo by Alex Wong/Getty Images)
Copyright © 2013 Getty Images. All rights reserved.