http://news.bbc.co.uk/today/hi/today/newsid_8311000/8311069.stm
An estimated 7,000
languages are being spoken around the world. But that number is expected
to shrink rapidly in the coming decades. What is lost when a language
dies? In 1992 a prominent US
linguist stunned the academic world by predicting that by the year 2100,
90% of the world's languages would have ceased to exist.
Today programme