The Transportation Security Administration (TSA) says it has started installing new software in its full-body scanning machines that will give travelers more privacy. The passenger's image will be replaced by a virtual image while still allowing screeners to observe any potentially dangerous items, USA TODAY reports. Expecting to replace all 241 machines in U.S. airports by year's end, the TSA says it also plans to test out similar technology in 247 additional "backscatter" machines this fall. TSA Administrator John Pistole says, "This software upgrade enables us to continue providing a high level of security...while improving the passenger experience at checkpoints." However, some consumer rights and privacy groups have said they remain opposed to the scanners, the report states. 
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