Ummmmm, hey, uh, you know how when you talk you kind of say "um" or "uh" a lot? Don't feel bad about about it because, like, everybody does it, but as it turns out, some people say "uh" more and others rely more heavily on "um." And the difference in preference is more than likely regional.
A team of researchers is canvassing California to try and nail down some of the linguistic peculiarities native to its various regions. Conventional wisdom holds that, aside from garish movie caricatures like Spicoli and Cher Horowitz, the English spoken on the west coast is clean, accentless, and standard.