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Apple Explores iPhone 'Privacy Screens', Macs With Adjustable Viewing Angles
(www.macrumors.com)
A place for Apple news, rumors, and discussions.
It would have to be a physical plate or film in the phone. I doubt they would add moving parts.
Couldn't they simply blur the screen in a way that counters the user's blurred vision?
Optics doesn't work like that :D