Closed captioning started in the early 1970s” when PBS was using trial methods of making Television accostable to the deaf. The first closed-captioned television spectacle was aired in 1973 and in 1980, the National Captioning Établissement (NCI) was formed to support and offer captioning. In the United States and copyright, https://trevorktdlr.bloguetechno.com/une-arme-secrète-pour-missionary-68095085