Designed for the blind(visually impaired), Braille E-Book

April 23, UNESCO's book day. For the visually impaired, so what about this design. This product concept design, but the product is attractive and functional is pursuing. If you are familiar only to the use of a thick-thin e-Book in Braille for more information you can get a design that is expected being afraid.
Visually challenged people require braille books in order to read. However, not many books are available in braille due to cost and inefficiency. Translating a 500 page book into braille nearly doubles the thickness.
Korean Designers: Seon-Keun Park, Byung-Min Woo, Sun-Hye Woo & Jin-Sun Park(via yankodesign)