Millward Brown today released its annual BrandZ study of global brands (via AllThingsD), which found Apple to be the world's most valuable brand for the third straight year. Although Apple topped the list once again, its brand value only increased 1% to $185 million, which is not as impressive as the 84% increase (from $153 million in 2011 to $183 million in 2012) it received last year. Appl