Whilst perusing the current issue of Consumer Reports, I found this insightful tidbit in their report on "Top Gripes: What bugs America Most" (January 2010, page 7):
When we crunched the numbers further, more eye-openers were revealed:
...
Residents of densely populated urban areas were more annoyed than rural residents by unscooped dog poop.
Wow. Who'd'a ever have thunk it.