On accents

A friend sent me this link tonight. It's really fascinating.

What would you do if you were a linguist and wanted to show a map of the dialects of North American English? Well, sorry, that question has been answered at the link above.

I really don't get the "Canadian Raising" bit... but then, I'm from Western Canada, where we do things differently in most things anyways, so what's a bit more? :-)