We all know how great a touch screen is… But have you ever thought that it’s a nightmare for the blind? You never know what you’re touching because everything is flat. All the information and status is on the screen, so a user has to take the device up from a pocket, touch the necessary buttons and see with his eyes. In the future information is told in 3D.
So what would this look like? Let’s take a mobile phone as an example: The front face and the sides of it transforms the shapes according to what information or status is expressed. It makes concavity and convexity on the surface. For example, the face can be customized with contoured graphics. It could be dressed up with a kimono-like graphic or it could have a concave clock so that a blind user can know the time.
read the whole article at http://johnnyholland.org/magazine/2009/06/macs-petit-inventions-physically-digital/
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