Wondering where to go when you gotta go? Check out SitOrSquat.com — a social network utility designed to help decent people locate decent public restrooms. Download their GPS-enabled app to your iPhone or Blackberry and you, too, can find, rate and review toilets around the world. Literally! Since its launch last December, SitOrSquat has logged more than 52,000 toilets in 10 countries (which is not nearly enough, by the way). They’ve also had more than 1,600 downloads of their mobile apps. (Make that 1,601.) Now that P&G’s Charmin brand has jumped on board, those numbers should get an even bigger boost.