gum + butts

Smartstreets-Smartbin: Public Chewing gum bin and cigarette bin, Highlands, Scotland (UK)

detecting problem + finding solution = good design.

Really, the ideas are simple, but thats what makes them so effective.
It takes America a little bit of time to catch on to common sense =)

http://flickr.com/photos/27940402@N06/2612347313/