Touchscreens have transformed the humble phone into a powerful computing device, one enabling us to take and share pictures, email on the go – even watch films.
But the touchscreen revolution has left out one sector of society – the visually impaired. The lack of textured buttons means blind people are unable to use them.
Designer Sumit Dagar has invented a prototype Braille smartphone which may give the world’s 300 million visually impaired people the first phone developed with their needs in mind.
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