Protected by U.S. Patent No. 8,308,653

Aragon Media Library: The Spoken phrases used are work of Grupo Almia for
Aragon Goverment (http://arasaac.org) that publishes under Creative Commons
License (BY-NC-SA). Pictographic symbols used are a property of
CATEDU(http://arasaac.org/) under Creative Commonís License and
they have been created by Sergio Palao.