San Francisco is starting a program to convert dog poop into energy. That’s a much better use of it than leaving it lying around for people to step in.
Here’s a link, although you can find it on many news sites.
One person quoted in the article said : “As much as we love them, our pets leave a lot of manure behind them.” đ
Buffet o' Blog 
someone
not only is it a useful fuel, but it discourages ninja from lurking around… (see post about diffusing a ninja)
Fibonacci Man
I saw a guy in San Fran (in an alley) rubbing it in his arm pits once. And I thought, “Man, what the heck is that guy doing?” I figured he was crazy. But now I know that he was simply tring to ward off ninjas.