Walk Score has announced its 2011 list of most walkable cities, with a twist — this year there's also a "fan favorite" category, where you can vote for what city you think is the easiest to navigate on foot.

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Walk Scores are based on how easy it is to walk to various amenties, like schools and grocery stores, but hey, why not add a purely opinion-based popularity contest? Then you know not only what cities are the most walkable, but what cities SEEM the most walkable to their citizens — or, at least, what cities have citizens most likely to vote them up on Walk Score. San Diego is number 3 in "likes," for instance, but number 18 on quantitatively measured walkability. Data!

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