A wiki at SitOrSquat.com and available as a mobile application for BlackBerry and iPhone both helps locate public restrooms and provides star ratings based on their cleanliness and other amenities. Talk about a useful mobile app!
From TechCrunch: “The iPhone now accounts for 50 percent of mobile Web traffic from smartphones in the U.S., according to an AdMob Mobile Metrics report released this morning. Over the past six months, the iPhone has taken share from Blackberry and Windows Mobile. In August 2008, the iPhone made up only 10 percent of mobile [...]