Bathroom search engines?

Talk about a practical search engine! Name is a bit inelegant, though!

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Sit or Squat Provides GPS Directions to the Nearest Bathroom [Quit Holding It]

from Lifehacker by Jason Fitzpatrick

SitOrSquat is a web based index of public bathrooms. In addition to providing the basic map-mashup and rating system that other services like Diaroogle provide, Sit or Squat users can provide and browse photographs of the restrooms in question. The real selling point is the applications available for iPhones and Blackberries, enabling GPS based directions to the nearest bathroom. Currently the service is available in several US and UK metropolitan areas such as New York, Chicago, Seattle and London respectively. For more bathroom search engines, check out The Bathroom Diaries and MizPee.

SitorSquat [via WebWare]