<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Goldlust:
Now really, it's not like people have to do that. It is extremely bad behaviour in my opinion. They could just accept the suggestion not to poisen their surroundings... 
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I don't know of any smokers who do an ashtray survey before lighting up.
Smoking areas need ashtrays just as public streets need trash bins. Otherwise you will find litter on the floor.