A sign at a Transportation Security Administration checkpoint instructs passengers about the use of the fullbody scanner at O'Hare International...
{"Image ImageDescription": "CHICAGO - MARCH 15:  A sign at a Transportation Security Administration (TSA) checkpoint instructs passengers about the use of the full-body scanner at O'Hare International Airport on March 15, 2010 in Chicago, Illinois. The Backscatter Advanced Imaging Technology scanners are scheduled to be put into use at the airport today. Twenty airports nationwide are now using full-body scanners.  (Photo by Scott Olson/Getty Images)", "Image Copyright": "2010 Getty Images"}