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You'd think so, but iPhones are incredibly useful to blind people. https://finance.yahoo.com/news/david-pogue-on-iphone-voiceover-163733668.html https://financ

• eric_h 9y ago
  The first time I saw a blind person using an iPhone on the subway (years ago, I think it was an iPhone 4), I was completely blown away at how much he could do with it. Personally I think apple should allow you to turn the backlight for the screen off entirely for their use. Perfect over the shoulder privacy and better battery life to boot!
  • jonchang 9y ago
    It's called "Screen Curtain" and it's been around for a long time.