When a language becomes a world language, what happens to it and what happens to other languages as a consequence? ... Fashions count, in language, as anywhere else; and fashions are function of numbers. It is perfectly possible for a linguistic fashion to be started by a group of anguage learners or by whose who speak a nonstandard variety, which then catches on among mother-tongue speakers. Rapping is a recent case in point.
――京都大学 後期日程(3月14日実施)――2006年