British sign language is the sign language used by the deaf in Great Britain. Although the United States and Britain share a spoken language, British Sign Language is separate and distinct from American Sign Language. One example of their differences is that ASL uses a single-handed alphabet while BSL uses two hands for their fingerspelling system.
... by Professor Ross J Anderson on his Web site at www.cl.cam.ac.uk/~rja14/tcpa-faq.html/ for a clear discussion of two prominent proposals.
Examples of existing "digital ...