Desc: Language Matters with Bob Holman: Directed by David Grubin. With Arlene W. Eaton, Pele Harmon, Bob Holman, Kauanoe Kamana. There are over 6,000 languages in the world. We lose one every two weeks. Hundreds will be lost within the next generation. By the end of this century, half of the world's languages will have vanished. Language Matters with Bob Holman is a two hour documentary that asks: What do we lose when a language dies? What does it take to save a language?