Invisual – a tactile Silicone case for the Apple iPhone
Bruno Fosi has produced an interesting silicone shell, which means that even blind people can use Apple's popular iPhone. More info on Invisual can be found here
."used with an app store application, designed in mind, for the Blind and the Visually Impaired, that uses special accessibility functions, ex: text-to-speech features and moon type tactile alphabet keyboard. This simple silicon case, covers all the Apple iPhone device, and with the help of the engraved bas-relief icons, keyboard and multi-touch scrolls, it gives fully access to the interface beneath"