I don't know about you, but the last time that I used one of those printed yellow book was more than 5 years ago. Yet, I receive 2 different versions of Yellow Pages and White Pages directories delivered to me about twice a year. I also get two sets of each as well - one for the East Side and one for Seattle. That's 8 books a year that never gets looked at.
PaperlessPetition.org is running a petition to request that the Yellow Pages Association shift to an opt-in system whereby paper directories would only be printed for people who ask for them.
Instead of the printed Yellow Pages, I tend to use:
Needless to say, i signed up!