Use the iPhone to Find Free Wireless while Traveling

From MacOSXHints
This one seems obvious to me, but it's important enough to share. I am happy that my iPhone provides internet access anywhere in my city (San Diego), but of course, it's slow compared to my cable modem at home. Traveling around town and in other cities, I yearn for a faster connection.

So, let's say that I'm in a neighborhood that I'm not familiar with. I ask somebody nearby what the local zip code is (let's say, 92116), and then I go to the Maps widget on my iPhone. I type in wifi 92116 and then hit Search.

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