“With backscatter, when you scan, you’d see a silhouette of the body,” said Laird, president of Nevada-based Laird & Associates, who advises airlines and governments about aviation security. “You could see whatever was on the outside of the body, on the surface of the body or anything sewn into the lining of your coat. It would show up as kind of a gray mass.” He shrugs off privacy complaints. “I believe we have to give up some rights for the safety of everybody,” he said. “It’s a real nerve that you touch when you mention that.”

First: liberty is the result of good security and not something that you can trade for it,  and second: I'd rather walk through a backscatter machine than have a stranger fondle my junk, which is what you have today ...