As more frequent fliers experience full-body scanners for the first time, the main complaints appear to center on time and cost instead of privacy. Some travelers say the technology seems to require greater Transportation Security Administration manpower -- and the agency's 2011 budget does call for roughly a 10% hiring boost related to the scanners. Time is another big concern, with unfamiliar procedures adding to the greater duration of the scan itself. Still, most frequent fliers say they are willing to make the trade-off if security is enhanced by the technology.

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