International Day of Sign Languages highlights access and knowledge gaps

International (MNN) -- Today is the International Day of Sign Languages, highlighting access needs in the global Deaf community and knowledge gaps among the hearing.More than 70 million people around the world are deaf, according to the World Federation of the Deaf. The majority – over 80 percent – live in developing countries. Collectively, they use more than 300 unique sign languages.Many people in the Deaf community remain cut off from essential information. While closed captioning helps some