When You’ve Got to Go — Grab Your iPhone

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There are many impressive applications for the iPhone and Blackberry but one of the most unusual and potentially most useful is one that helps you find a public toilet. As reported in the NY Times, SitOrSquat will be there when nature calls. There is also a Web site: www.sitorsquat.com. Note: this app is weakest on the Verizon network for some reason.

What are your favorite travel-related mobile apps?

Meanwhile, one of our favorite sites — www.subwaynavigator.com — seems to be down and out. This site featured information on subways around the world. If you have any news or an alternative site, please send the information along.