Are you fed up with loads of junkmail on your doorstep when you get in? Well, just a seggestion, but I am collecting it up and when I have ample sufficiency I will be putting it back in my local post box for them to dispose of!
I have put a polite note on my door asking for them not to deliver it but alas, it would appear that they can't see the note!
Alternatively look on the post office website and they can send you a form to fill in and return to opt out.
http://www.royalmail.com/portal/rm/content1?ca tId=400126&mediaId=500081