In this Twitter exchange, jetBlue explains to a passenger how it got a photo of her face -- from the DHS [DHS= Department of Homeland security]

submitted by Mnemonic from boingboing.net

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[–]Intuit 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (2 children)

To be fair, I think that they can use a processed version of the image, a sort of hash, so that with the hash you can't reconstruct the image, but can still determine whether it matches another hash (this is how passwords are generally handled).

[–]Mnemonic[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

Like a twin?

[–]Intuit 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

"Sorry, with our new system you can't prevent a twin from using your flight tickets."