US agencies have long defended the use of body scanning devices at airports with the promise that all images will be discarded as soon as security staff have viewed them. Last summer, the TSA claimed "scanned images cannot be stored or recorded." Declan McCullagh at CNET:
Now it turns out that some police agencies are storing the controversial images after all. The U.S. Marshals Service admitted this week that it had surreptitiously saved tens of thousands of images recorded with a millimeter wave system at the security checkpoint of a single Florida courthouse.
Feds admit storing checkpoint body scan images
This follows an earlier disclosure (PDF) by the TSA that it requires all airport body scanners it purchases to be able to store and transmit images for "testing, training, and evaluation purposes." The agency says, however, that those capabilities are not normally activated when the devices are installed at airports.
[CNET via @declanm
The fine folks at Techquickie put together a quick overview that takes the mystery out of the dizzying array of audio file formats, including when to use what and brief histories of the most common types.
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