Whenever I meet somebody and they know I am a teacher of English, they ask me if I teach American or British. I try to explain that those two are variations of basically the same language, but they looke at me with an expert air to which anybody can hardly find a good answer, I mean... people will believe whatever they want, won´t they?
http://cesarklauersteflblog.blogspot.com/2010/10/american-vs-british-english.html