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The Paper Passport Is Dying
(www.wired.com)
This is a most excellent place for technology news and articles.
Literally shoot me if this becomes a reality. I don't want my ability to travel to be dependent on something with a steadily dying battery.
Globally, this is becoming a thing. Many states have digital IDs already.
Realistically, both paper with a chip or QR code should be valid for a while.