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This App Warns You if Someone Is Wearing Smart Glasses Nearby - 404media
(www.404media.co)
This is a most excellent place for technology news and articles.
I mean, eventually there are going to be people with camera's stealthily integrated directly into their eyeballs recording non-stop.
Like that black mirror episode letting people relive any moment from their past.
The wireless communication protocol will still be able to be intercepted. A physical port for data transfer will probably be too dangerous to the subject and prone to contamination (and infection).
But not necessarily interpreted.