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"Biomaps" layer emotional data over city streets

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Now here's a maps mashup. Christian Nold paired GPS devices with gizmos that measure galvanic skin response -- a known indicator of arousal and/or stress -- and gave them to people walking around certain cities. The result? A map that not only tells you how to get to that hip new neighborhood, but also how it's likely to make you feel. (User-specific annotations add to the intrigue.)

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Nold calls it biomapping, and he's done it for neighborhoods in San Francisco, London, and a suburb of Manchester.

I'd think that most cities by definition probably cause a lot of stress or arousal almost anywhere you are in them (besides parks). It'd be cool to compare biomaps of say, Kinshasa with Reykjavik. But maybe that'd be like apples and oranges.

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