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Imagine if cameras could read your retinas and identify you like in Minority Report (https://www.youtube.com/watch?v=7bXJ_obaiYQ). Though we're not there yet, facial recognition tech is almost ready for something similar.

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In this case wouldn't that point be irrelevant? Generally airlines have assigned seating and they already have validation of your identity from the booking information.

Yes, in the case of flying on a commercial flight they already have your identity. The parent that I was responding to assumed the more general case though:

> How can you have privacy concerns in a completely public space?

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