A blissboard is a means of communication using Blissymbolics, a language based on symbols that was invented by Charles Bliss in the mid-twentieth century. Blissymbolics has become a language used by people who cannot speak, including the severely handicapped, though Bliss had different intentions when he devised it. Born in Austria-Hungary in 1897, Bliss wanted to create an international system of symbols that could be understood by everyone. After being imprisoned in Nazi concentration camps, Bliss eventually came to live in Australia where he developed his language. He based it on symbols and pictographs, and published his work under the title Semantography in 1949. Bliss's language went largely unnoticed, though he continued to revise and refine it. He published another edition of this book in 1965, but added his new name for his language, Blissymbolics, to avoid confusion with the academic discussion of other semantographies. Eventually, Bliss found support in Canada...