he problems with which there are more than 250 million people with visual disabilities in the world, are the price, the size, the limited offer published and the difficulty of translating documents into Braille, for example Harry Potter 6, costs $ 150 and
Working with digital documents opens the entire library published on internet to blind people, offering them content for a fair price, useful and easy to access.
Blind people, public entities, Blind schools and associations.