It uses what's called Shape Memory Alloy technology, so as each pin expands, it remembers and contracts back to its original flat shape.

CNN: Braille smartphone in development

Another breakthrough from GM is a device that uses a material called shape memory alloy (SMA), which changes shape when it is heated.

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Extras: Power sliding moonroof, rear sonar system, Bose Premium Audio System, Memory System, drivers seat power lumbar support, power tilt, aluminum alloy wheels with all season tires, sport-tuned suspension, viscous limited-slip differential, sport front fascia, Infiniti hard drive nav system, XM NavTraffic, Zagat survey restaurant reviews, DVD-video playback, Infiniti Voice Recognition.

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